Dictionary Only:
Profanity Off:

18-Letter Words Containing: Y,S,I,D

 (In Any Order)
There are 32 18 letter words, 194 18 letter phrases and 0 18 letter abbr's with Y,S,I,D in.

Best Scoring 18 Letter Words With: Y,S,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 (32)
disproportionatelyhyperaldosteronismsedimentologicallypropagandisticallymethylprednisolonelipopolysaccharideindiscriminatinglyhydroxytryptamineshydrometeorologisthydrometeorologieshydrometallurgistshydroelectricitiesdiphenylhydantoinsdimethylhydrazinesdihydroergotaminesdephosphorylationsdeoxyribonucleasesdemythologizationsdehydrochlorinatesdehydrochlorinasescoccidioidomycosescholecystectomizedaerothermodynamicstriphosphopyridinepteridospermaphytamucopolysaccharidehypoparathyroidismhomobasidiomycetesdistinguishabilitydiethylstilbestrolcylindrical-stemmedcoccidioidomycosis
Phrases (194)
worldly possessionswedding anniversaryvladimir mayakovskytendonous synovitissuborder myxinoideisolid body substancesir henry joseph woodrheims-douay versionpodilymbus podicepsparkinson's syndromep-type semiconductororder sauropterygiaorder ichthyosauriaoil-industry analystmarquis de lafayettemagnoliopsid familykilocycle per secondkeyboard instrumentfreudian psychologyfamily testudinidaefamily sphyraenidaefamily scorpaenidaefamily scolopacidaefamily physeteridaefamily muscicapidaefamily desmidiaceaefamily centriscidaeeducation secretarydylan marlais thomasduckbilled platypusdouay-rheims versiondivision cynodontiadivision anthophytadipsacus sylvestrisdigitalis glycosidedewey decimal systemdasyurus viverrinusdanish monetary unitdame sybil thorndikeclass dicotyledonaearthur garfield haysapodemus sylvaticusamlodipine besylateadministrative bodyyellow lady's slipperwynnea sparassoideswillie howard mays jr.william henry sewardwilliam henry hudsonwesleyan methodistsvisually challengedveronica chamaedrysvena stylomastoideavaledictory speakervaledictory addressuniversity of oxfordtuberculoid leprosytransfiguration daytoxic shock syndrometime-and-motion studythird battle of yprestheory of indicatorsteucrium chamaedryssystema digestoriumsydney harbor bridgesuperfamily apoideasuicide squeeze playsuborder lipotyphlasubfamily numidinaesubfamily numididaesubfamily dorylinaestrawberry daiquiristorage-battery gridstanford universitysodium hypochloriteseptuagesima sundaysensory deprivationsecurity departmentsecurities industrysecondary educationsecondary dentitionsaxifraga hypnoidessaturated fatty acidsaint valentine's dayrespiratory diseasereproductive systemregistered securityredbrick universityquadriphonic systemquadrigesima sundayquadraphonic systempyrophosphoric acidpylodictus olivarispotassium hydroxidepolypodium scouleripolyphosphoric acidphysical distancingperpendicular stylepenstemon rydbergiiorder temnospondyliorder synentognathiorder solenichthyesorder psilophytalesorder polymastiginaorder mycrosporidiaorder cypriniformesorder colymbiformesn-type semiconductormyosotis scorpiodesmyasthenic syndromemichael gerald tysonmerovingian dynastymagnesium hydroxidelycopodium obscurumlucius dubignon claylepidochelys kempiilearning disabilitylearner's dictionarykurdistan labor paryjessica lucy mitfordinterplanetary dustin your birthday suitin one's birthday suithypophosphoric acidhypo-eutectoid steelhyperfocal distancehydropower industrygymnadenia conopseagrievous bodily harmgreen monkey diseasegigacycle per secondgeothermal industrygenus hyacinthoidesfamily xenosauridaefamily synodontidaefamily syngnathidaefamily stromateidaefamily spheniscidaefamily sillaginidaefamily scutigeridaefamily scarabaeidaefamily ramphastidaefamily plasmodiidaefamily orchestiidaefamily nephropsidaefamily musophagidaefamily lepismatidaefamily gobiesocidaefamily ceratopsidaefamily catostomidaefamily aulostomidaeedwin dubois haywarddynamic loudspeakerduck-billed platypusdryopteris goldianadryopteris fragransdryopteris filix-masdryopteris dilatatadrunk-and-disorderlydorothy leigh sayersdoctor of philosophydivision rhodophytadivision phaeophytadivision myxomycotadivision cyanophytadiversionary attackdissociation energydisorderly behaviordiscretionary trustdeflationary spiraldaylight-saving timedaisyleaf grape ferncyclopes didactyluscustard-apple familycrystallized gingercross-country ridingcordyline australiscommon lady's-slippercolaptes chrysoidesclass dicotyledoneschlamydera nuchalischelydra serpentinacharles digby harrodcarolingian dynastybuchloe dactyloidesblack-eyed susan vinebinge-vomit syndromebinge-purge syndromebastardy proceedingbacillary dysenteryautomobile industryasterid dicot familyadmiralty 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