Dictionary Only:
Profanity Off:

18-Letter Words Containing: A,T,O,I,D

 (In Any Order)
There are 83 18 letter words, 454 18 letter phrases and 0 18 letter abbr's with A,T,O,I,D in.

Best Scoring 18 Letter Words With: A,T,O,I,D

Expand?WordSave?LengthUsagePointsType
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 (83)
disproportionatelyhyperaldosteronismultrasophisticatedtriskaidekaphobiassupersophisticatedsuperadministratorsemidomesticationssedimentologicallyradiosensitivitiesradiochromatogramsquattuordecillionsquasiperiodicitiespropagandisticallyphotodissociationsphotodisintegratesphotodisintegratedphosphodiesterasesoverindustrializesoverindustrializedoveridentificationnondiscriminationsmisidentificationsmisadministrationsmineralocorticoidsmelodramatizationsmaladministrationslepidopterologicalknowledgeabilitiesindustrializationsindividualizationsimmunoprecipitatedhydroxytryptamineshydrometallurgistshydrometallurgicalhomoscedasticitieselectrodesiccationelectrocardiogramsdisputatiousnessesdisproportionationdisproportionatingdisintermediationsdisconsolatenessesdiphenylhydantoinsdihydroergotaminesdiastereoisomerismdextroamphetaminesdephosphorylationsdepersonalizationsdenominationalismsdenationalizationsdemythologizationsdematerializationsdeinstitutionalizedehydrochlorinatesdehydrochlorinateddedifferentiationsdecriminalizationscountereducationalcounteradvertisingcounteradaptationscontradistinctionsconstitutionalizedchromolithographedbiodegradabilitiesbacteriorhodopsinsantidiscriminationantiadministrationaerothermodynamicstrichlormethiazidetetraiodothyronineradiocommunicationpteridospermopsidapteridospermaphytapocket-handkerchiefoxidation-reductionhypoparathyroidismhydroflumethiazidehomobasidiomyceteselectrocardiographdiethylmalonylureaballistocardiogramanti-traditionalismadenocarcinomatous
Phrases (454)
wisteria floribundavictory in europe daytichodroma muriariatheodosius the greatsuborder anisopterasolidago spathulatasolid body substancesir frederick ashtonsexual reproductionscottish highlanderscandinavian nationrabindranath tagorepolitical dissidentphoenix dactyliferaorder sauropterygiaorder ichthyosauriaorder eubacterialesoperating procedureone thousand millionoil-industry analystoccupational hazardmilitary expeditionmidterm examinationmethotrexate sodiummethod of accountingmanganese tetroxideludwig van beethovenkeyboard instrumentjean-frederic joliotinterior departmentinterior decorationinterior decoratinginflectional endingindian monetary unithistorical documenthindu calendar monthhealth care providergreat pyramid of gizagravitational fieldgenus dimorphothecafunctional disorderfederation of tribesfamily motacillidaefamily heteromyidaeexplication de texteessential conditionessential amino acidenvoy extraordinaryendorsement in blankelement of a cylinderelectronic databaseedward lee thorndikeeducation secretarydylan marlais thomasdonato di betto bardidmitri shostakovichdivision eubacteriadivision cynodontiadivision anthophytadisreputable persondirectional antennadirect transmissiondiplomatic ministerdiplomatic buildingdigitalis glycosidedenali national parkdefender of the faithdanish monetary unitdame sybil thorndikecytotropic antibodycomminuted fracturecommercial documentclass dicotyledonaecause to be perceivedcapital of swazilandcapital of indonesiacapital of cape verdebush administrationblue ridge mountainsblood extravasationbernardo bertoluccibattle of wake islandbadminton equipmentascension of the lordartistic productionapodemus sylvaticusantispasmodic agentantineoplastic druganisette de bordeauxandrew dickson whiteamlodipine besylateair-to-ground missileadministrative bodyactinidia deliciosaaccounting standardaccordance of rightsacadia national park5-hydroxytryptamineyellowtail flounderworld tamil movementwoolsorter's diseasewolffiella gladiatawestern diamondbackwest indian smallpoxwesleyan methodistswandering albatrossvena stylomastoideavaledictory speakervaledictory orationvaledictory addressurogenital medicineunited states dollaruniocular dichromattypewriter keyboardtrisodium phosphatetrimorphodon lambdatricholoma pardinumtrichloracetic acidtrend extrapolationtransfiguration daytrade union movementtime deposit accounttime-and-motion studytiarella cordifoliathujopsis dolobratathreshold operationthreatened abortionthoroughbred racingthird battle of ypresthird baron rayleighthermobia domesticatheory of indicatorstheatrical producerteucrium scorodoniatemporary expedienttellima grandifloratectaria macrodontataxodium mucronatumtanacetum douglasiisystema digestoriumswiss confederationsuspended animationsuperannuation fundsuborder tarsioideasuborder ruminantiasuborder lipotyphlasuborder lacertiliasuborder ceratopsiasubclass actinopodastriped button quailstraight-line methodstorage-battery gridstarvation acidosisstanford universitystained-glass windowsphenoidal fontanelsphenoid fontanellesouthern white cedarsouthern maidenhairsolar magnetic fieldsodium thiosulphatesmilax rotundifoliasir alfred hitchcocksilver quandong treeside-blotched lizardsensory deprivationsecondary educationsecondary dentitionsecobarbital sodiumscleroderma bovistasao tome and principesample distributionround-tailed muskratrichard john robertsrhodanthe manglesiirhizoctinia diseaseretarded depressionrespiratory diseaserepublic of the sudanrelational databaserefrigeration dryerreductio ad absurdumreactive depressionratibida columnarisrate of depreciationradiation pyrometerquantum field theoryquadriphonic systemquadraphonic systempyrola rotundifoliapylodictus olivarispterocarpus indicuspseudotaxus chieniiprophylactic devicepresident john adamsprairie golden asterpractice of medicinepotos caudivolvuluspotassium hydroxidepolice headquartersplatalea leucorodiapine-barren sandwortpersonal credit lineperiodontal diseasepedilanthus pavonispediculosis capitispedestrian crossingparathyroid hormoneparallel of latitudepaprilus alepidotuspaleo-indian culturepainted-leaf begoniaornithopod dinosaurorder ustilaginalesorder tubulidentataorder synentognathiorder stegocephaliaorder rickettsialesorder psilophytalesorder polymastiginaorder plantaginalesorder marchantialesorder bennettitalesorder actinomyxidiaopuntia lindheimerionopordum acanthiumonopordon acanthiumomphalotus illudensold italian languagenorthern white cedarnorthern barramundinormal distributionnasogastric feedingnarrowbody aircraftnarrow-body aircraftnail-tailed kangaroomyasthenic syndromemuhammad ali of egyptmonoclonal antibodymomordica charantiaminor diatonic scaleminato ohashi bridgemiddle temporal veinmichael gerald tysonmetaphosphoric acidmerovingian dynastymentha rotundifoliamedical institutionmedical examinationmedicago intertextameadow-beauty familymatricaria inodorummarquis de condorcetmandarin orange treemalacosoma disstriamajor diatonic scalemagneto-optical disclycopodium clavitumlutjanus blackfordilong-distance runnerlittle golden zinnialiquid metal reactorlexicalized conceptleitneria floridanalearner's dictionarylavandula latifolialaportea canadensislactarius deliciosokurdistan labor parykingdom protoctistakingdom prokaryotaekammon strait bridgekakatoe leadbeaterijudicial separationjudgment in personamjessica lucy mitfordiron-storage diseaseipratropium bromideintravenous feedingintermediate shroudinsider informationinductive reasoningindicator electrodein your birthday suitin the adjacent housein one's birthday suitidiopathic disorderhyperfocal distancehydroxybutyric acidhuntington's diseasehundred-and-fortiethhottentot bread vinehooded pitcher planthindu kush mountainshindostani languageheterophil antibodyheavyweight torpedoheat of dissociationheat of condensationhave the distinctionhalicoeres radiatusguadalupe mountainsgraduation exercisegradable oppositiongoods and service taxgolden fairy lanterngilles de la tourettegianbattista bodonigiambattista bodonigeothermal industrygenus septobasidiumgenus pseudowinteragenus lepidothamnusgenus hyacinthoidesgenus dicranopterisfranklin d. rooseveltfrancois mitterrandforward transactionflorida smoothhoundfixed-point notationfinancial conditionfamily trombidiidaefamily trionychidaefamily torpedinidaefamily synodontidaefamily stromateidaefamily rhinobatidaefamily orchestiidaefamily notoryctidaefamily notonectidaefamily mylodontidaefamily myliobatidaefamily monodontidaefamily littorinidaefamily hydrobatidaefamily holothuridaefamily embiotocidaefamily cordaitaceaefamily cetorhinidaefamily ceratopsidaefamily catostomidaefamily aulostomidaefamily argonautidaeexperimental methodeuclid's fourth axiomerythronium albidumendowment insuranceendothelial myelomaelectrostatic fieldeighter from decaturedwin of northumbriaeducational programecclesiastical modeeastern indigo snakeeast indian rosewoodduodecimal notationdryopteris goldianadryopteris fragransdryopteris filix-masdryopteris dilatatadrepanocytic anemiadramatic productiondouble-breasted suitdorothy leigh sayersdomesticated animaldoctor of humanitiesdivision rhodophytadivision phaeophytadivision myxomycotadivision cyanophytadiversionary attackdistrict of columbiadissociation energydiscretionary trustdirector of researchdirect bill of ladingdiplomatic immunitydigital photographydiffraction gratingdichondra micranthadicamptodon ensatusdianthus latifoliusdepreciation chargedental practitionerdental orthopaedicsdeflationary spiraldeductive reasoningde facto segregationdavidson's penstemondaucus carota sativadalbergia latifoliadaboecia cantabricacytophilic antibodycyclopes didactyluscrocodilian reptilecountervailing dutycotoneaster dammericortaderia selloanacordyline australiscordia gerascanthuscoptis groenlandicacoordinate geometrycontract of adhesioncongenital disorderconfederate soldierconfederate jasmineconduction deafnesscommodity brokeragecolaptes chrysoidescodiaeum variegatumclaudius ptolemaeusclass holothuroideaclass hepaticopsidaclass dicotyledoneschairman of the boardcerro del nacimientocercis occidentalisceltis occidentaliscelestial longitudecassia occidentaliscasanova de seingaltcartridge extractorcarolingian dynastybuchloe dactyloidesbroadcasting studioblackbody radiationblack-body radiationbird-footed dinosaurbidens trichospermabernese mountain dogbastardy proceedingball-and-socket jointbachelor of divinityautomobile industryautoimmune disorderautoimmune diabetesauditory perceptionasterid dicot familyarytenoid cartilagearterial blood gasesarteria ethmoidalisaristolochia duriorarisaema dracontiumapodictic certaintyantonio da correggioanticonvulsant druganterograde amnesiaanemia adiantifoliaagitated depressionadult-onset diabetesadmiralty mountainsadenium multiflorumacute brain disorderabdominal breathing
WordDB Icon
WordDB
United Kingdom
Download the WordDB app directly on your home screen for instant access. No App Store necessary, less than 1MB storage, always up-to-date and secure.
1.
Tap on share button
2.
Tap on Add To Home Screenadd button
3.
Find WordDB App Icon on your home screen