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

 (In Any Order)
There are 73 18 letter words, 114 18 letter phrases and 0 18 letter abbr's with O,S,S,I,S,T in.

Best Scoring 18 Letter Words With: O,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 (73)
unprofitablenessesultraconservatismstransistorizationssupersophisticatedsubclassificationsspectrohelioscopessimultaneousnessesshortsightednessessemidomesticationssatisfactorinessesredistributionistsreconstructionistsreconstructionismsrambunctiousnessesradiosensitivitiesquestionablenessespsychophysiologistpsychopathologistspseudotuberculosispraiseworthinessespostmillennialistspostmillennialismsphotosensitivitiesphotodissociationsphosphodiesterasespertinaciousnessesoverindebtednessesotherworldlinessesostentatiousnessesorthopsychiatristsopinionativenessesnondestructivenessnonarbitrarinessesneurotransmissionsneuropsychologistsneuropsychiatristsneurophysiologistsmultifariousnessesmisrepresentationsmisclassificationsmisadministrationsmeretriciousnessesmagnetoresistancesirresponsibilitiesinhospitablenessesimmunosuppressantshyposensitizationshomoscedasticitiesethnomusicologistsdisputatiousnessesdiscourteousnessesdiscontentednessesdisconsolatenessesdisconnectednessesdiastereoisomerismdeconstructionistscreditworthinessescountersuggestionscounterstrategistscounteraggressionsconversationalistscontemptiblenessesconsubstantiationsconstructivenessesconstitutionalistsconstitutionalismsconservativenessesbloodthirstinessesunsatisfactorinessunquestionablenesscross-fertilisationcorrosion-resistantarteriolosclerosis
Phrases (114)
voiceless consonanttendonous synovitistangible possessionsolid body substancerespiratory illnesspoisonous substanceorthotomus sutoriusmusculus temporalismaterial possessionlogistic assistancelogistic assessmenthypostasis of christgustatory sensationgenus struthiomimusgenus melopsittacusgenus eschscholtziaeconomic assistancedirect transmissionconservation of massclass schizomycetescastanea mollissimaapodemus sylvaticusamaranthus spinosusalytes obstetricansyellow bristlegrassyellow bristle grasswoolsorter's diseasewesleyan methodistsvascular prosthesisuniversity of sussextransmission systemthomas stearns eliottheodor seuss geiselthamnophis sirtalisthamnophis sauritussystema digestoriumsynaptomys borealisswiss confederationsubclass actinopodastress incontinencestereoscopic visionstereophonic systemstellar associationstations of the crossstarvation acidosisstained-glass windowst. christopher-nevisspanish oyster plantspanish inquisitionsir ernst boris chainshort saphenous veinsciaenops ocellatussaint thomas aquinassailor's breastplaterespiratory diseasereligious mysticismpsychotria capensispsocopterous insectprofessional tennispresent progressivepediculosis capitispedestrian crossingnational assistancemyosotis scorpiodesmyositis trichinosamusculus teres minormusculus pectoralismusculus deltoideusmalacosoma disstrialoxostege similalislivistona australiskeratosis nigricansjatropha stimulosusislets of langerhansiron-storage diseasehysterical neurosishuntington's diseasehibiscus moscheutoshesperis matronalisgenus trichoglossusgenus strobilomycesgenus septobasidiumgenus ichthyosaurusgenus gasterophilusgenus centropristisgenus calamagrostiseptesicus serotinusdavidson's penstemoncytisus multifloruscutaneous sensationcross-country skiingcourt of saint james'scontopus sordiduluscontinuing trespasscolaptes chrysoidesclianthus speciosusclass hepaticopsidaclass dicotyledoneschrysolophus pictuschoriotis australischolesterosis cutiscastanea ozarkensiscassia occidentaliscassia augustifoliabook of ecclesiastesblissus leucopterusaustrotaxus spicataassociative aphasiaassociate professorassociate in nursingassistant professoraristarchus of samosanamnestic responseacoustic resistance
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