18-Letter Words Containing: R,I,L,S
(In Any Order)
There are 236 18 letter words,
865 18 letter phrases and
0 18 letter abbr's with
R,I,L,S in.
Best Scoring 18 Letter Words With: R,I,L,S
| Expand? | Word | Save? | Length | Usage | Points | Type | |
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 18. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 18 Letter Words
Words (236)
characteristicallydisproportionatelygastroenterologistoversimplificationhyperaldosteronismneuropsychologicalverisimilitudinousvaletudinarianismsvaingloriousnessesunprofitablenessesunprinciplednessesunpredictabilitiesungrammaticalitiesuncharitablenessesultrasophisticatedultramicroscopicalultraconservativesultraconservatismstrichloroethylenestriboluminescencestriboelectricitiestransportabilitiestransmissibilitiestransilluminationstransformationallytranscendentaliststranscendentalismsthrombophlebitidesthermoplasticitiesthermoluminescencetheatricalizationssupranationalitiessuperintelligencessuperintellectualssupercivilizationssuperciliousnessessubmicroscopicallystructuralizationsstoichiometricallystereospecificallystereoregularitiesspectrohelioscopesspectroheliographyspectroheliographsspectrofluorimetersemiprofessionallysemipermeabilitiessemiconservativelysacrilegiousnessesribonucleoproteinsrevascularizationsrepresentationallyreprehensibilitiesrenationalizationsreinstitutionalizerehospitalizationsrecrystallizationsquattuordecillionspsychobiographicalpseudotuberculosisprovincializationspropagandisticallypronounceabilitiespremillenarianismspostmillenarianismpolyesterificationpolyacrylonitrilespiezoelectricitiesphotolithographiesperpendicularitiesparticularizationsoverspecializationoveroptimisticallyoverindustrializesoverindustrializedoverfertilizationsoverextrapolationsoverembellishmentsovercommercializesoverclassificationotherworldlinessesoscillographicallyorthogonalizationsnonrevolutionariesnoncomparabilitiesnonanthropologistsneuropsychologistsneurophysiologistsmultifariousnessesmulticellularitiesmineralocorticoidsmicrometeorologistmicrometeorologiesmicromanipulationsmicrolepidopterousmicroencapsulationmicroencapsulatingmicrocrystallinitymicrocalorimetriesmethylprednisolonemelodramatizationsmaladministrationsmagnetostrictivelymacroglobulinemiaslymphangiographieslumpenproletariatslipopolysaccharidelightheartednesseslepidopterologistslatitudinarianismslandlubberlinessesirretrievabilitiesirresponsibilitiesirresistiblenessesirreproachablenessirrepressibilitiesirreplaceabilitiesirremediablenessesirreconcilablenessinvulnerablenessesintersubstitutableinterrelationshipsinterrelatednessesinterpretabilitiesinteroperabilitiesinternationalitiesinternationalisinginterminablenessesinterinstitutionalintercolumniationsinsufferablenessesinexpressibilitiesindustrializationsindiscriminatinglyindestructiblenessincorruptibilitiesincorrigiblenessesinconvertibilitiesinconsiderablenessincommensurabilityinarticulatenessesimpracticabilitiesimperturbabilitiesimpersonalizationsimpermissibilitiesimperishablenessesimmeasurablenesseshyperrationalitieshyperpolarizationshypernationalistichyperalimentationshydrometeorologisthydrometeorologieshydrometallurgistshydroelectricitiesgranulocytopoiesisgranulocytopoiesesglottochronologiesgeneralizabilitiesgastroenterologiesfractionalizationsferroelectricitiesexterritorialitiesexpressionlessnessestablishmentarianentrepreneurialismelectroretinogramselectrophysiologicelectrophilicitieselectromyographieselectroluminescentelectrodesiccationelectrodepositionselectrochemistrieselectrocardiogramsdisreputablenessesdishonorablenessesdiscriminabilitiesdisagreeablenessesdimethylhydrazinesdeterminablenessesdephosphorylationsdepersonalizationsdeoxyribonucleasesdendrochronologistdendrochronologiesdematerializationsdeliberativenessesdehydrochlorinatesdehydrochlorinasesdecriminalizationscurmudgeonlinessescounterrevolutionscounterculturalismconversationalistscongregationalistscongregationalismscomprehensiblenesscompartmentalisingcommercializationscommensurabilitiesclaustrophobicallychlortetracyclinesbloodthirstinessesbiodegradabilitiesaustralopithecinesanticommercialismsultranationalisticterritorialisationspectrographicallyself-aggrandizementself-aggrandisementrhinolaryngologistplasmodiophoraceaeovercapitalisationorder-chenopodialesnoncomprehensivelyneurophysiologicalmucopolysaccharidelaryngopharyngitislacto-vegetarianisminternationalisticindustrial-strengthimmunofluorescencehypercholesteremiagood-neighborlinessglomerulonephritisfibrocartilaginousdiethylstilbestrolcylindrical-stemmedcross-fertilizationcross-fertilisationballistocardiogramarteriolosclerosisanticholinesteraseanti-traditionalismPhrases (865)
worldly possessionswisteria floribundawilliam shakespearewilliam james durantwilliam butler yeatsvladimir mayakovskyviccinium myrtillusvertical stabiliserupton beall sinclairtreaty of versaillestransmitting aerialtranslating programthomas wright wallerthird epistle of johnthird epistel of johntelevision reportertelevision receivertable-tennis racquetsuperiority complexsulfur hexafluoridesubmandibular glandsubclass metatheriasquirreltail barleyspatial arrangementsocial organizationsocial organisationsir william herschelsir william chamberssir peter paul rubenssir mortimer wheelersir matthew flinderssingle-reed woodwindshort-term liabilitysexually attractivesexual reproductionsetophaga ruticillasense of equilibriumsemilunar cartilagesecurity consultantsecond cranial nervescottish highlandersamolus parviflorusrespiratory illnessresearch colloquiumrepublic of surinamerepublic of sloveniarepublic of maldivesrepublic of hondurasrenaissance revivalreligious residencer. buckminster fullerproposal of marriageprofessional golferprofessional boxingprince-of-wales plumepresident clevelandportuguese republicpopulus tremuloidespolish monetary unitpolianthes tuberosaphysical attractionpen-tailed tree shrewparnassia palustrisparainfluenza virusostrya carpinifoliaorder sarracenialesorder eubacterialesorder columbiformeson an irregular basisoil-industry analystnicolaus copernicusnewspaper columnistnational censorshipmusical performancemusical arrangementmusculus temporalismusculospiral nervemorchella crassipesminor tranquilliserminister of religionmeleagris gallopavomaterial possessionmaster of literaturemarquis de lafayettelouis-hector berliozlinguistic relationlimenitis archippuslighthorse harry leelicensing agreementliability insurancelepomis macrochiruslachrymal secretionkilocycle per secondkatherine mansfieldkarl wilhelm scheelekarl friedrich gaussjons jakob berzeliusjoel chandler harrisjames whitcomb rileyjames arthur baldwinintervertebral diskintervertebral discinterstitial tissueinternational scaleinstallation chargeinfantile paralysishypertonic solutionhouses of parliamenthistorical documenthenry norris russellhealth professionalgrammatical subjectgallinula chloropusfunctional disorderfreudian psychologyfrankliniella fuscafrancis ford coppolafirst epistle of johnfamily spirillaceaefamily sphyraenidaefamily scorpaenidaefamily physeteridaefamily crassulaceaefamily centriscidaefamily asparagaceaeexpressed almond oilendorsement in blankelectronics companyelectronic databaseelectron microscopedylan marlais thomasduck-billed dinosaurdisreputable persondisagreeable persondipsacus sylvestrisdiplomatic ministerdame sybil thorndikecyrus hall mccormickcrotalus mitchelliicrataegus laevigatacrataegus crus-gallicolumbia universitycollapsible sheltercircassian languagechristopher marlowechemical operationscharles francis hallcharles follen mckimceremonial occasioncerebrospinal fevercerebral hemispherecascade everlastingcarl wilhelm siemenscarl wilhelm scheelecarduelis cardueliscapital of new jerseycapital of australiabombycilla garrulusblue ridge mountainsblood extravasationbiological researchbelarusian languagebaccharis pilularisaustralian lungfishastronomy satelliteaspalathus linearisascension of the lordarthur m. schlesingerarthur garfield haysarteria vertebralisartemisia filifoliaareteria cervicalisarchitectural styleantirrhinum filipesantineoplastic druganalysis of varianceamerican pulsatillaalytes obstetricansalfred louis kroeberalexander i of russiaalbert szent-gyorgyiair-to-ground missileagnes george de milleageratina altissimaacer pennsylvanicumyellow lady's slipperyellow bristlegrassyellow bristle grassxyphophorus helleriwoolsorter's diseasewireless telegraphywinter olympic gameswilson cloud chamberwillie howard mays jr.william henry sewardwilliam henry hudsonwilderness campaignwhorled loosestrifewhole life insurancewhite slime mushroomwestern fence lizardwandering albatrosswalter william skeatvolumetric analysisvinegar joe stilwellvespula maculifronsvespertilio murinusvertical stabilizervermillion rockfishverbascum lychnitisverbascum blattariavena supraorbitalisvena nasalis externavena intercapitalisvena appendicularisvascular prosthesisvascular hemophiliavaledictory speakervaledictory addressuropsilus soricipesupholstery materialunited states dollarunipolar depressionumbelliferous planttussock caterpillartuberculoid leprosytuberculin skin testtrusteeship counciltropical rain foresttrogium pulsatoriumtrinectes maculatustrichostema lanatumtriangulum australetremella fuciformistravelling salesmantransuranic elementtragelaphus buxtonithujopsis dolobratathreshold operationthomas stearns eliotthirst for knowledgethird battle of ypresthermoplastic resintheodor seuss geiselthamnophis sirtalisthalamostriate veintextual scholarshiptetraneuris acaulisterritorial reserveterminable interestsystema urogenitalesyrian arab republicsynaptomys borealissymplocus tinctoriasymphoricarpos albasweet cherry liqueursutura internasalissurveillance systemsurgical vacuum pumpsurgical instrumentsupratrochlear veinsupernatural virtuesuperior labial veinsuperior colliculussuperfamily apoideasuborder mugiloideasuborder lipotyphlasuborder lemuroideasuborder lacertiliasubmersible warshipsubfamily triglinaesubfamily sterninaesubfamily dorylinaesubfamily anserinaesubfamily acoraceaesubclass dibranchiasubclass cirripediasubclass amphineurastructural genomicsstriped button quailstriated muscle cellstreptopelia turturstratified samplingstratified languagestraight-line methodstochastic variablesterculia rupestrisstellar associationsteganopus tricolorstanley frank musialsporobolus poiretiispiranthes spiralisspanish oyster plantsouthern yellow pinesouthern bog lemmingsonora semiannulatasolomon r. guggenheimsolar magnetic fieldsolanum commersoniisolanum carolinensesodium hypochloritesociological theorysocial anthropologysnowdrop windflowersmilax rotundifoliasmall cell carcinomaslip friction clutchsix-lined racerunnersir john carew ecclessir humphrey gilbertsir george trevelyansir bernard williamssir alfred hitchcocksingle-member systemsingle-furrow ploughsingle-breasted suitsilver-leaved poplarsilver-leaved nettlesilver quandong treesignal-to-noise ratioside-blotched lizardsidalcea malviflorasiberian wall flowershortia galacifoliashirley temple blacksexual relationshipserratula tinctoriasergeant first classseminiferous tubulesecobarbital sodiumscopolia carniolicascleroderma bovistasaxifraga stellarissaxifraga granulatasarcophilus hariisisaratoga spittlebugsarah kemble siddonssanskritic languagesanskrit literaturesample distributionsamolus floribundussalvinia auriculatasalicornia europaeasaints peter and paulsaint teresa of avilasaint lawrence riversailor's breastplateround-tailed muskratronald wilson reaganrobotic telesurgeryrickettsial diseaserhodanthe manglesiirhizopus stoloniferrhetorical questionrevaluation reserverepulsorlift enginerepublic of the sudanrepublic of botswanarenal insufficiencyremilegia australisreligious mysticismrelative atomic massrelational databaseregular icosahedronregular convex solidregression analysisregional anesthesiareal-time processingreal-estate businessreaction propulsionratibida columnarisrachel louise carsonquercus marilandicaquercus chrysolepispyrrhuloxia sinuatapyorrhea alveolarispylodictus olivarispurple-hooded orchispurple virgin's bowerpupillary sphincterpulse timing circuitpulsatilla vulgarispublic relations manpublic presentationprunus pensylvanicaprunus angustifoliaprumnopitys elegansprospero lambertiniprosopis juliifloraprosopis glandulosapropositional logicproportional samplepromotional expenseprofessional tennisprofessional personprofessional dancerprocursive epilepsyprionotus carolinusprince-of-wales'-heathprince of wales heathprince edward islandprevailing westerlypresident rooseveltprehistoric cultureprairie rattlesnakeprairie golden asterpotentilla anserinaportal hypertensionpopulus trichocarpapopulus balsamiferaponcirus trifoliatapomatomus saltatrixpolystichum brauniipolypodium scouleripolyphosphoric acidpolitical commissarpolice headquarterspolice commissionerpodiceps ruficollisplumed scorpionfishplexus mesentericusplatanus orientalisplatanus acerifoliaplains pocket gopherplains lemon monardapinus californiarumpierre-simon laplacephyllostachys nigraphilaenus spumariusphaseolus angularispezophaps solitariapetroleum geologistpersonal credit linepersian gulf illnessperpendicular styleperiodontal diseaseperiarterial plexuspennisetum ruppeliipeninsular malaysiapembroke welsh corgipaul bustill robesonparkinsonia floridaparascalops breweriparallel processingpaprilus alepidotuspalestine authoritypalace of versaillesoxytropis lambertiioriental bush cherryorder ustilaginalesorder temnospondyliorder stegocephaliaorder solenichthyesorder rickettsialesorder psilophytalesorder polymastiginaorder plumbaginalesorder plantaginalesorder marchantialesorder haplosporidiaorder falconiformesorder colymbiformesorder bennettitalesorder aspergillalesolfactory sensationold frisian languagenucleolus organizernucleolus organisernucleolar organisernuclear-powered shipnorth celestial polenormal distributionnonvolatile storagenonreligious personnon-volatile storagenicolaus zinzendorfnicolas malebranchenicholas ii of russianewspaper publishernew siberian islandsnarcissus jonquillamyrica pensylvanicamusculus teres minormusculus pectoralismusculus buccinatormusculophrenic veinmultiple regressionmountain spleenwortmother-in-law's tonguemontia lamprospermamomordica balsaminamolecular biologistminor diatonic scalemineral associationmilitary commissionmilitary censorshipmikhail baryshnikovmichael stuart brownmichael gerald tysonmeriones longifronsmelospiza georgianamedial rectus musclemarta brigit nilssonmarsilea drummondiimarriage settlementmarriage counselingmarble bones diseasemammillaria plumosamalacosoma disstriamajor tranquillisermajor diatonic scalemacrozamia spiralismachine translationlysimachia vulgarislycopodium obscurumlutjanus blackfordilupinus subcarnosuslower carboniferouslouis the quarrellerlouis henry sullivanlouis henri sullivanlonicera canadensislong-term investmentlong-distance runnerlivistona australislitocranius wallerilisteria meningitislip synchronizationlip synchronisationlimnodromus griseuslimnocryptes minimaligustrum japonicumlibyan islamic groupleycesteria formosalesser sunda islandsleptopteris superbaleontocebus rosalialearning disabilitylearner's dictionaryleaning tower of pisale douanier rousseaulazzaro spallanzanilathyrus sylvestrislathyrus latifoliuslate-spring-bloominglaportea canadensislandscape gardeninglandscape architectlagenaria sicerarialactose intolerancelactarius deliciosokurdistan labor paryking charles spanielkarl wilhelm siemenskalashnikov culturejumping bristletailjuglans californicajudicial separationjuan carlos i of spainjosiah willard gibbsjohn birks gillespiejessica lucy mitfordjerusalem artichokejean francois milletjatropha stimulosusjasminum nudiflorumjames butler hickockitalian renaissanceislets of langerhansinterstellar mediuminterplanetary dustinternal combustionintergalactic spaceinterfacial tensioninformer's privilegeinflationary spiralinferior colliculusilex paraguariensisictalurus punctatushysterical neurosishypsiglena torquatahyperfocal distancehonorable dischargeholocentrus bullisihexalectris spicataheterotheca villosahesperis matronalisherpes simplex virusherpes encephalitishermann emil fischerhelleborus foetidusheinrich schliemannharry stack sullivanharry sinclair lewisharold hirschsprungharald hirschsprunghalocarpus bidwillihalicoeres radiatusgyromitra esculentagunter wilhelm grassgrindelia squarrosagrievous bodily harmgregorian telescopegreenhouse whiteflygradable oppositionglorious revolutiongirolamo savonarolagilles de la tourettegilbert and sullivangigacycle per secondgiannangelo braschigeothermal industrygenus trichoglossusgenus strobilomycesgenus scolopendriumgenus pleurothallisgenus pleurobrachiagenus lagerstroemiagenus halimodendrongenus gasterophilusgenus frankliniellagenus clethrionomysgenus chrysochlorisgenus chirocephalusgenus chilomycterusgenus calamagrostisgenus bruckenthaliagenus armillariellagenus armadillidiumgenital personalitygeneralized seizuregeneral anaestheticgeneral anaesthesiagastroepiploic veingastrocolic omentumfumaria officinalisfrontier settlementfritillaria affinisfringed loosestrifefranklin d. rooseveltfragrant shield fernfragaria chiloensisfour-wing flying fishforegone conclusionfluorescent fixtureflowering raspberryflorida smoothhoundflorida selaginellaflat tip screwdriverfissurella aperturafirst earl of chathamfirst battle of ypresfirst baron macaulayferdinand de lessepsfemale circumcisionfederal savings bankfavourable positionfamily xenosauridaefamily stromateidaefamily sphaeriaceaefamily scutigeridaefamily scarabaeidaefamily rhiptoglossafamily relationshipfamily ramphastidaefamily orchestiidaefamily nephropsidaefamily marsileaceaefamily gesneriaceaefamily erysiphaceaefamily cupressaceaefamily ceratopsidaefamily celastraceaefamily brassicaceaefamily ambrosiaceaeexpress luxury linerexclusion principleeuropean wolf spidereuclid's fourth axiomeucharistic liturgyeucalyptus coriaceaerigeron pulchellusepistle to the romansepidural anesthesiaepacris obtusifoliaenglish hippocratesemil hermann fischerelectrostatic fieldelectron microscopyelectric toothbrushelectric resistanceelaeocarpus grandisedgar douglas adrianecclesiastical robeeastern fox squirreleastern fence lizardeastern catholicismearly warning systemdynamic loudspeakerdwarf russian almonddryopteris goldianadryopteris filix-masdryopteris dilatatadrunk-and-disorderlydouglas fairbanks jr.double-breasted suitdorsal scapular veindorothy leigh sayersdoctor of philosophydistrict of columbiadispersed particlesdisorderly behaviordioscorea bulbiferadental orthopaedicsdelusional disorderdeflationary spiraldalbergia cearensisdaisyleaf grape ferncytisus multifloruscustard-apple familycrystallized gingercriminal possessioncrescent-cell anemiacreeping wood sorrelcrataegus apiifoliacorticospinal tractcortaderia selloanacorrosive sublimatecorporal punishmentcornelius janseniuscordyline australiscoptis groenlandicaconvallaria majaliscontopus sordiduluscongenital disorderconflict of interestconfederate soldiercomputer simulationcomplex prepositioncompetitor analysiscompatible softwarecommon lady's-slippercoluber hippocrepiscoluber constrictorcollege of cardinalscollective securitycolinus virginianuscolaptes chrysoidescoeloglossum viridecnemidophorus veloxclinical depressionclimbing salamanderclematis virginianaclematis versicolorclematis ochreleucacleistes divaricataclass holothuroideaclass cyanobacteriaclass coniferopsidaclass archiannelidacladrastis kentukeacitrus aurantifoliacitellus variegatuscirsium lanceolatumcirsium helenioidescircis siliquastrumchrysolophus pictuschrysobalanus icacochoriotis australischolesterosis cutischlamydera nuchalischinese scholartreechinese scholar treechinese parasol treechinese lacquer treechelydra serpentinachelifer cancroidescharles william postcharles vii of francecharles ii of englandcharles digby harrodcerebrospinal fluidcerebral thrombosiscercis occidentalisceratostomella ulmicelestial hierarchycecil scott forestercastilleja chromosacarolingian dynastycarl friedrich gausscarissa grandifloracarduelis cucullatacarduelis cannabinacardigan welsh corgicardamine douglasiicarcharhinus leucascapparis mitchelliicapital of singaporecapital of san marinocapital of costa ricacanalis vertebraliscamelus dromedariuscalostoma raveneliicallorhinus ursinuscallitris calcaratacalifornia sycamorecalifornia allspicecalidris ferrugineabursera microphyllabubalus mindorensisbrush-tail porcupinebritish thermal unitbritish labour partybristly sarsparillabrassia lawrenceanabouvier des flandresblue cheese dressingblissus leucopterusbleu cheese dressingbillion-dollar grassbattle of austerlitzbastard lignum vitaebasal metabolic ratebartolomeo eustachibadlands wildernessbacillary dysenteryautomobile industryaustralian languageaustralian chestnutauriparus flavicepsatrial septal defectastroloma humifusumasterid dicot familyaspidelaps lubricusasclepias incarnataartium baccalaurensarticulatory systemarterial blood gasesarteria ethmoidalisarteria auricularisarnold lucius gesellaristotelia serrataaristolochia duriorarisaema triphyllumarches national parkanticonvulsant drugantarctic peninsulaanolis carolinensisannona diversifoliaangelica sylvestrisalveolar resorptionalsophila pometariaalnus veridis crispaallium ampeloprasumaleurites moluccanaaleksandr pavlovichalbizia julibrissinalaska standard timealan mathison turingahmed salman rushdieaegilops triuncalisadmiralty mountainsadlerian psychologyacellular slime moldaccounts receivable
