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18-Letter Words Containing: O,S,S,I,A,N

 (In Any Order)
There are 118 18 letter words, 378 18 letter phrases and 0 18 letter abbr's with O,S,S,I,A,N in.

Best Scoring 18 Letter Words With: O,S,S,I,A,N

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All 18 Letter Words

Words (118)
gastroenterologisttransubstantiationantivivisectionisthyperaldosteronismvaingloriousnessesunprofitablenessesuniformitarianismsunconscionablenessultraconservativesultraconservatismstransportabilitiestransistorizationstransilluminationssupranationalitiessupercivilizationssuperadministratorsubclassificationssubcategorizationsstructuralizationssphygmomanometriessomnambulisticallysimultaneousnessessemiprofessionallysemidomesticationssemiconservativelysatisfactorinessessacrilegiousnessesrevascularizationsrehospitalizationsrecrystallizationsrambunctiousnessesradiosensitivitiesquestionablenessespraiseworthinessespostpsychoanalyticpostmillennialistspostmillennialismspostmillenarianismphotosensitizationphotodissociationsphotodisintegratespertinaciousnessesoverindustrializesoverclassificationostentatiousnessesopinionativenessesnonrepresentativesnondiscriminationsnoncooperationistsnonarbitrarinessesnonanthropologistsneurotransmissionsneuropsychiatristsmultifariousnessesmisrepresentationsmisinterpretationsmisidentificationsmisclassificationsmisadministrationsmechanochemistriesmaladministrationsmagnetoresistancesirreproachablenessirreconcilablenessinterrelationshipsinstitutionalisinginhospitablenessesinharmoniousnessesindustrializationsincontestabilitiesinconsolablenessesinconsiderablenessinauspiciousnessesimpersonalizationsimmunosuppressantsimmunopathologistshyposensitizationshypersensitizationgranulocytopoiesisgranulocytopoiesesglycosaminoglycansgastroenterologiesdisputatiousnessesdisintermediationsdishonorablenessesdisconsolatenessesdephosphorylationsdepersonalizationsdeoxyribonucleasesdenominationalismsdehydrochlorinasescounterstrategistscounteraggressionscounteraccusationsconversationalistscontradistinctionsconsubstantiationsconstitutionalizesconstitutionalistsconstitutionalismsconservativenessesconsequentialitiescongregationalistscongregationalismscommunicablenessescommensurabilitiesbiotransformationsbacteriorhodopsinsaustralopithecinesarchaeoastronomiesanticommercialismsunsatisfactorinessunquestionablenesssentimentalisationcross-fertilizationcross-fertilisationcorrosion-resistantanticholinesterase
Phrases (378)
voiceless consonanttangible possessionsuborder anisopterasolid body substancesocial organisationsir martin frobishersir frederick ashtonsir arthur john evanssecurity consultantscottish highlanderrheims-douay versionrespiratory illnessprofessional golferprofessional boxingpooecetes gramineuspolitical dissidentpolianthes tuberosapoisonous substanceplanning commissionparkinson's syndromeoscar hammerstein iiorder sarracenialeson an irregular basisoil-industry analystoceanites oceanicusnicolaus copernicusnewspaper columnistnavigational systemnational censorshipmusical compositionmusculospiral nervemeconopsis cambricamaterial possessionlogistic assistancelogistic assessmentlanius lucovicianusjons jakob berzeliusirvingia gabonensishouses of parliamenthealth professionalgustatory sensationgeophysical sciencegenus recurvirostragenus melopsittacusgenus eschscholtziaexpressed almond oilessential conditionessential amino aciderinaceus europaeuserigeron canadensiseconomic assistancedylan marlais thomasdouay-rheims versiondisreputable persondisagreeable persondirect transmissionconstantin brancusiconservation of masscompression bandagecolocasia esculentacognitive semanticsclass magnoliopsidaclass hyalospongiaeclass dicotyledonaecastanea mollissimacapital of wisconsincapital of tennesseebush administrationbanana passion fruitaugsburg confessionattestation serviceastronomy satelliteassyrian neo-aramaicascension of the lordartocarpus communisantispasmodic agentantagonistic muscleanchusa officinalisanalysis of varianceamaranthus spinosusalytes obstetricansalexander i of russiaair-to-ground missileadenosine deaminasezigadenus venenosuswynnea sparassoideswestern ribbon snakewestern mountain ashwest indian smallpoxwesleyan methodistswandering albatrossvolumetric analysisvespula maculifronsvena supraorbitalisvena stylomastoideavaranus komodoensisunspoken accusationunited states dollarunipolar depressiontyrannus vociferanstransmission systemtopical anaesthesiathomas stearns eliotthomas gainsboroughthermoplastic resinthamnophis sirtalisthamnophis sauritusthamnophis proximussystema urogenitalesystem of numerationsynaptomys borealissymplocus tinctoriaswiss confederationsuspended animationsurvivors insurancesupra expressionismsubgenus calliopsissubclass actinopodastructural genomicsstellar associationsteganopus tricolorstations of the crossstarvation acidosisstanford universitystained-glass windowst. ignatius of loyolaspotsylvania countyspanish oyster plantspanish inquisitionsonora semiannulatasolidago canadensissolanum commersoniisolanum carolinensesocio-economic classsloanea jamaicensissir john carew ecclessir ernst boris chainsignal-to-noise ratioshoshonian languageshort saphenous veinshorea teysmannianasexual relationshipsensory deprivationscolymus hispanicussciaenops ocellatussaxifraga hypnoidessarah kemble siddonssample distributionsamolus floribundussaint thomas aquinassaint thomas a becketsaint teresa of avilarhizoctinia diseaseretarded depressionregression equationregression analysisregional anesthesiareal-time processingreactive depressionrachel louise carsonquadriphonic systemquadraphonic systempublius ovidius nasopterocarpus indicuspsychotria capensispseudotaxus chieniiprunus angustifoliaprumnopitys elegansprosopis glandulosaprofessional tennisprofessional personprofessional dancerprionotus carolinuspresident john adamspotassium carbonatepotamogeton crispuspolitical scientistpoephila castanotisplatanus orientalisphyllostachys nigraphragmites communisphonological systemphasianus colchicusphaseolus coccineusphaseolus angularisperiodontal diseasepeperomia sandersiipedilanthus pavonispedestrian crossingpaul bustill robesonparochetus communisparallel processingpancreatic fibrosispanax pseudoginsengoreamnos americanusorder ustilaginalesopisthocomus hoazinoperations researchomphalotus illudensolfactory sensationobservation stationnyctanassa violaceanucleolus organisernon-christian priestnicholas ii of russianervous prostrationnational assistancenasogastric feedingnarcissus jonquillamyositis trichinosamyasthenic syndromemusculus buccinatormountain watercressmineral associationmilitary commissionmilitary censorshipmelissa officinalismaster of ceremoniesmason and dixon's linemarta brigit nilssonmarble bones diseaselysiloma bahamensislupinus subcarnosuslouis henry sullivanlouis henri sullivanlonicera canadensislivistona australislip synchronisationleontocebus rosaliale douanier rousseaulaportea canadensisland-office businesskeratosis nigricansjunction transistorjuan carlos i of spainjoint chiefs of staffjapanese poinsettiajames francis thorpejacksonian epilepsyislets of langerhansiron-storage diseaseipomoea orizabensisin one's birthday suithysterical neurosishynerpeton bassettihuntington's diseasehorseshoe whipsnakehomo sapiens sapienshindu kush mountainshesperis matronalisheat of dissociationharold hirschsprungguilt by associationgrindelia squarrosagreen monkey diseasegreat saphenous veingoods and service taxgenyonemus lineatusgenus zinjanthropusgenus stephanomeriagenus septobasidiumgenus schizophragmagenus schizopetalongenus pseudowinteragenus poecilocapsusgenus pleurothallisgenus platypoecilusgenus micropogoniasgenus lepidothamnusgenus lagerstroemiagenus lactobacillusgenus ichthyosaurusgenus hyacinthoidesgenus ginglymostomagenus gasterophilusgenus dicranopterisgenus chorizagrotisgenus chirocephalusgenus cardiospermumgenus calamagrostisgenus archidiskidongenus anoectochilusgenus actiniopterisfragaria chiloensisfirst baron tennysonfausto paolo sozzinifast of the firstbornfairness commissioneuonymus americanuseuclid's second axiomeuarctos americanusestrogen antagonistepistle to the romansenglish hippocrateselaeocarpus grandiseichhornia spesiosaeastern indigo snakeeastern fox squirreleastern catholicismeast indian rosewooddwarf russian almonddryopteris fragransdouglas fairbanks jr.dorsal scapular veindissociation energydiscretionary trustdicamptodon ensatusdianthus latifoliusdelusional disorderdavidson's penstemoncystopteris montanacynoglossum amabilecutaneous sensationcupressus govenianacupressus arizonicacriminal possessioncourt of saint james'scoronavirus diseasecoronary thrombosiscornelius janseniuscoreopsis tinctoriacordyline australiscordia gerascanthusconversion hysteriacontinuing trespassconnarus guianensisconduction deafnesscompetitor analysiscompassionate leavecommunist manifestocommon lady's-slippercolinus virginianusclinical depressionclianthus speciosusclass ginkgophytinaclass dicotyledonesclass cyanobacteriaclass coniferopsidachrysobalanus icacochristian schonbeinchinese scholartreechinese scholar treechinese parasol treechaenopsis ocellatacercis occidentalisceltis occidentaliscatherine i of russiacastanea ozarkensiscassia occidentaliscasanova de seingaltcarissa grandifloracallorhinus ursinusbubalus mindorensisbronchoscopic smearbroadcasting studiobouvier des flandresbocconia frutescensbillion-dollar grassbidens trichospermabarack hussein obamaassociate in nursingassistant professorasian tiger mosquitoasian horseshoe crabarnold lucius gesellarisaema atrorubensanolis carolinensisanoa depressicornisanarchist communismanamnestic responsealice-josephine ponsagitated depressionagelaius phoeniceusaegilops triuncalisadult-onset diabetesacoustic resistanceacoustic absorptionabsorption spectrum
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