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List of 13-letter words containing

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There are 17 thirteen-letter words containing E, I, O, P, X and Y

APPROXIMATELYapproximately adv. Imprecise but close to in quantity or amount.
APPROXIMATE adv. close together.
CLINOPYROXENEclinopyroxene n. (Mineralogy) Any pyroxene that has a monoclinic crystal structure.
CLINOPYROXENE n. a member of the pyroxene group of minerals having a monoclinic crystal structure, such as augite, diopside, or jadeite.
COMPLEXIFYINGcomplexifying v. Present participle of complexify.
COMPLEXIFY v. to render complex.
EXCEPTIONABLYexceptionably adv. In an exceptionable manner.
EXCEPTIONABLE adv. being likely to cause objection.
EXCEPTIONALLYexceptionally adv. To an unusual, remarkable or exceptional degree.
EXCEPTIONAL adv. by way of an exception.
EXPEDITIONARYexpeditionary adj. Of or pertaining to an expedition.
expeditionary adj. (Military) Intended for military operations abroad.
expeditionary n. (Chiefly in the plural) One who goes on expeditions, especially one who is a member of an expeditionary…
EXPEDITIOUSLYexpeditiously adv. In an expeditious manner.
EXPEDITIOUS adv. characterized by or acting promptly and efficiently.
EXPLANATORILYexplanatorily adv. With regard to explanation, or explanatory power.
EXPLANATORY adv. serving to explain, also EXPLANATIVE.
EXPLORATIVELYexploratively adv. In an explorative way or fashion.
EXPLORATIVE adv. serving to explore.
EXPONENTIALLYexponentially adv. (Mathematics, sciences) In an exponential manner.
exponentially adv. (Proscribed) rapidly, greatly.
EXPONENTIAL adv. of or relating to an exponent.
EXPORTABILITYexportability n. The property of being exportable.
EXPORTABILITY n. the state of being exportable.
EXTEMPORARILYextemporarily adv. In an extemporary manner.
EXTEMPORARY adv. unpremeditated; esp. of prayer, discourse, composition, etc., also EXTEMPORANEOUS, EXTEMPORE.
HYDROPEROXIDEhydroperoxide n. (Organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH.
HYDROPEROXIDE n. a compound containing an O2H group.
HYPERPROSEXIAhyperprosexia n. (Medicine, rare) Excessive attention; an abnormal state in which a person concentrates on one thing…
HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers.
HYPOXANTHINEShypoxanthines n. Plural of hypoxanthine.
HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
POLYSILOXANESpolysiloxanes n. Plural of polysiloxane.
POLYSILOXANE n. any of a number of polymers which are the basis of silicone chemistry.
PYRIDOXAMINESpyridoxamines n. Plural of pyridoxamine.
PYRIDOXAMINE n. a crystalline amine of the vitamin B6 group.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 127 words
  • Scrabble in French: 14 words
  • Scrabble in Spanish: 4 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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