Dictionary Only:
Profanity Off:

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

 (In Any Order)
There are 57 18 letter words, 227 18 letter phrases and 0 18 letter abbr's with Y,O,N,I,S in.

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

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 (57)
disproportionatelyinconsequentialityhyperaldosteronismneuropsychologicaltrichloroethylenestransformationallysphygmomanometriessomnambulisticallysemiprofessionallysemiconservativelysedimentologicallyrepresentationallyrecrystallizationspsychoanalyticallypropagandisticallypostpsychoanalyticpolyesterificationpolyacrylonitrilesphotosyntheticallyneuropsychologistsneuropsychiatristsneurophysiologistsmicrocrystallinitymethylprednisolonemagnetostrictivelylymphangiographiesincommensurabilityhyposensitizationshypophysectomizinghypersensitizationhyperrationalitieshyperpolarizationshyperpigmentationshypernationalistichyperimmunizationshyperconsciousnesshyperalimentationshydroxytryptaminesgranulocytopoiesisgranulocytopoiesesglycosaminoglycansdiphenylhydantoinsdihydroergotaminesdephosphorylationsdeoxyribonucleasesdemythologizationsdehydrochlorinatesdehydrochlorinaseschlortetracyclinesaerothermodynamicsunconstitutionallytriphosphopyridinerhinolaryngologistnoncomprehensivelyneurophysiologicallaryngopharyngitiscytoarchitectonics
Phrases (227)
worldly possessionsvaccinium oxycoccustendonous synovitissyrian monetary unitsupervisory routinesuborder myxinoideisolid body substancesir henry joseph woodsecurity consultantrheims-douay versionrespiratory illnesspriority processingpolish monetary unitphysical phenomenonphysical attractionparkinson's syndromep-type semiconductorostrya carpinifoliaoil-industry analystnavigational systemmagnoliopsid familylachrymal secretionkilocycle per secondkeyboard instrumenthypertonic solutionhenry norris russellgustatory sensationgeophysical sciencefreudian psychologyfamily scorpaenidaeelectronics companyeducation secretarydylan marlais thomasdouay-rheims versiondivision cynodontiadivision anthophytadanish monetary unitdame sybil thorndikecyanocitta cristatacolumbia universityclass hyalospongiaeclass dicotyledonaecapital of new jerseyastronomy satelliteassyrian neo-aramaicantipsychotic agentanalysis of varianceamlodipine besylateambystoma mexicanumalytes obstetricansallegheny mountainsalbert szent-gyorgyiagropyron cristatumadministrative bodyzero-coupon securityyevgeni yevtushenkowynnea sparassoideswinter olympic gameswilliam henry hudsonwesleyan methodistsvolumetric analysisveronica chamaedrysvena stylomastoideauniversity of sussexuniversity of oxfordtyrannus vociferanstransmission systemtransfiguration daytoxic shock syndrometop fermenting yeasttime-and-motion studytheory of indicatorssystema urogenitalesystem of numerationsynaptomys borealissymplocus tinctoriasydney harbor bridgesubfamily dorylinaestereophonic systemstanford universityst. ignatius of loyolaspotsylvania countyspanish oyster plantsouthern yellow pinesocial anthropologysir george trevelyanshorea teysmannianasensory deprivationsegmentation cavitysecondary educationsecondary dentitionscolymus hispanicussaxifraga hypnoidesrocky mountain sheepregression analysisquadriphonic systemquadraphonic systempyrrhuloxia sinuatapsychotria capensisprumnopitys elegansprocyon cancrivorusportal hypertensionpolystichum brauniiphyllostachys nigraphotogenic epilepsyphonological systempenstemon rydbergiipenstemon newberryipalestine authorityoriental bush cherryorder temnospondyliorder synentognathiorder solenichthyesorder polymastiginaorder cypriniformesolfactory sensationnyctanassa violaceanikolai lobachevskyn-type semiconductormyositis trichinosamyasthenic syndromemilitary commissionmilitary censorshipmikhail baryshnikovmicroscopic anatomymichael gerald tysonmerovingian dynastymagnesium hydroxidemacroscopic anatomylysiloma bahamensislucius dubignon claylouis henry sullivanlip synchronizationlip synchronisationlimnocryptes minimalibyan islamic grouplearner's dictionarykurdistan labor paryjamaica honeysucklejacksonian epilepsyitalian honeysuckleisopyrum biternatuminteragency supportinorganic chemistryinflationary spiralin your birthday suitin one's birthday suithysterical neurosishypsiglena torquatahypoplastic anaemiahyperfocal distancehynerpeton bassettihydropower industrygyromitra esculentagymnadenia conopseaguilt by associationgregory of nazianzusgreenhouse whiteflygreen monkey diseasegovernment securitygigacycle per secondgeothermal industrygeostationary orbitgenyonemus lineatusgenus strobilomycesgenus platypoecilusgenus mycobacteriumgenus ichthyosaurusgenus hyracotheriumgenus hyacinthoidesgenus gymnocalyciumgenus ginglymostomagenus clethrionomysgenus chrysochlorisgenus chilomycterusgenus argyroxiphiumgenus acanthocybiumgenital personalityfour-wing flying fishflowering raspberryfirst baron tennysonfirst baron macaulayfamily xenosauridaefamily synodontidaefamily relationshipfamily nephropsidaeeusebius hieronymuseuonymus americanuselectron microscopyedwin dubois haywarddynamic loudspeakerdryopteris goldianadryopteris fragransdrunk-and-disorderlydivision rhodophytadivision phaeophytadivision myxomycotadivision cyanophytadiversionary attackdissociation energydiscretionary trustdeflationary spiralcystopteris montanacynoscion nebulosuscynoglossum amabilecross-country skiingcross-country ridingcoryphaena hippuruscoronary thrombosiscordyline australisconversion hysteriacompetitor analysiscommon lady's-slipperclinical psychologyclass ginkgophytinaclass dicotyledonesclass cyanobacteriachrysobalanus icacocarolingian dynastycalifornia sycamorebrevoortia tyrannisbinge-vomit syndromebinge-purge syndromebastardy proceedingautomobile industryadmiralty mountainsadlerian psychology
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