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18-Letter Words Containing: X,I,S

 (In Any Order)
There are 12 18 letter words, 85 18 letter phrases and 0 18 letter abbr's with X,I,S in.

Best Scoring 18 Letter Words With: X,I,S

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All 18 Letter Words

Words (12)
overextrapolationsinexpugnablenessesinexpressivenessesinexpressibilitiesinexplicablenessesinexhaustibilitieshydroxytryptaminesexterritorialitiesexpressionlessnessexceptionabilitiesdextroamphetaminesdeoxyribonucleases
Phrases (85)
vaccinium oxycoccussuperiority complexsulfur hexafluoridesuborder myxinoideisexually attractivesexual reproductionprofessional boxingmethotrexate sodiummanganese tetroxideexpressed almond oilblood extravasationanisette de bordeauxambystoma mexicanumalexander i of russiaxyphophorus helleriwest indian smallpoxvena nasalis externavena gastrica-dextrauniversity of sussexuniversity of oxfordtragelaphus buxtonitoxic shock syndromethamnophis proximustextual scholarshiptelephone extensionsupra expressionismsmilax rotundifoliasix-lined racerunnersexual relationshipsex-change operationsaxifraga stellarissaxifraga hypnoidessaxifraga granulatasalix alba vitellinasaint francis xavierrhus toxicodenedronregular convex solidpyrrhuloxia sinuatapseudotaxus chieniipromotional expensepotassium hydroxidepositive chemotaxispomatomus saltatrixplexus mesentericusperiarterial plexuspanax quinquefoliuspanax pseudoginsengoxytropis lambertiinegative chemotaxismexican pocket mousemason and dixon's linemagnesium hydroxideloxostege similalisinflectional suffixindirect expressionilex paraguariensishundred-and-sixtiethhexalectris spicataherpes simplex virushermann maurice saxegraduation exercisegoods and service taxgenus toxicodendrongenus argyroxiphiumfuchsia excorticatafluorescent fixturefamily xenosauridaeexpress luxury linerexecutive secretaryexclusion principleeuclid's second axiomeuclid's fourth axiomestimated tax returneastern fox squirreldryopteris filix-masdivision myxomycotacrucifixion of jesusconsumer price indexcomplex prepositioncnemidophorus veloxcerapteryx graminisaustrotaxus spicataanion-exchange resinactive matrix screenabudefduf saxatilis
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