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

 (In Any Order)
There are 48 18 letter words, 88 18 letter phrases and 0 18 letter abbr's with O,A,S,S,I,S,T in.

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

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We couldn't find any valid Scrabble US words with a length of 18. Try changing the version of the game.
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All 18 Letter Words

Words (48)
unprofitablenessesultraconservatismstransistorizationssupersophisticatedsubclassificationssimultaneousnessessemidomesticationssatisfactorinessesrambunctiousnessesradiosensitivitiesquestionablenessespsychopathologistspraiseworthinessespostmillennialistspostmillennialismsphotodissociationsphosphodiesterasespertinaciousnessesostentatiousnessesorthopsychiatristsopinionativenessesnonarbitrarinessesneurotransmissionsneuropsychiatristsmultifariousnessesmisrepresentationsmisclassificationsmisadministrationsmagnetoresistancesinhospitablenessesimmunosuppressantshyposensitizationshomoscedasticitiesdisputatiousnessesdisconsolatenessesdiastereoisomerismcounterstrategistscounteraggressionsconversationalistsconsubstantiationsconstitutionalistsconstitutionalismsconservativenessesunsatisfactorinessunquestionablenesscross-fertilisationcorrosion-resistantarteriolosclerosis
Phrases (88)
voiceless consonanttangible possessionsolid body substancerespiratory illnesspoisonous substancemusculus temporalismaterial possessionlogistic assistancelogistic assessmenthypostasis of christgustatory sensationgenus melopsittacusgenus eschscholtziaeconomic assistancedirect transmissionconservation of massclass schizomycetescastanea mollissimaapodemus sylvaticusamaranthus spinosusalytes obstetricansyellow bristlegrassyellow bristle grasswoolsorter's diseasewesleyan methodistsvascular prosthesistransmission systemthomas stearns eliotthamnophis sirtalisthamnophis sauritussystema digestoriumsynaptomys borealisswiss confederationsubclass actinopodastellar associationstations of the crossstarvation acidosisstained-glass windowspanish oyster plantspanish inquisitionsir ernst boris chainshort saphenous veinsciaenops ocellatussaint thomas aquinassailor's breastplaterespiratory diseasepsychotria capensisprofessional tennispediculosis capitispedestrian crossingnational assistancemyositis trichinosamusculus pectoralismalacosoma disstrialoxostege similalislivistona australiskeratosis nigricansjatropha stimulosusislets of langerhansiron-storage diseasehysterical neurosishuntington's diseasehesperis matronalisgenus septobasidiumgenus ichthyosaurusgenus gasterophilusgenus calamagrostisdavidson's penstemoncutaneous sensationcourt of saint james'scontinuing trespasscolaptes chrysoidesclianthus speciosusclass hepaticopsidaclass dicotyledoneschoriotis australiscastanea ozarkensiscassia occidentaliscassia augustifoliabook of ecclesiastesaustrotaxus spicataassociative aphasiaassociate professorassociate in nursingassistant professoraristarchus of samosanamnestic responseacoustic resistance
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