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List of 13-letter words containing

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There are 14 thirteen-letter words containing I, L, O, 2P, U and Y

AUTOPOLYPLOIDautopolyploid adj. (Genetics) Having more than two sets of chromosomes, derived from the same species, as a result of redoubling.
autopolyploid n. Any organism of this kind.
AUTOPOLYPLOID n. an individual or strain whose chromosome complement consists of more than two complete copies of the genome of a single ancestral species.
HYPOSULPHITEShyposulphites n. Plural of hyposulphite.
HYPOSULPHITE n. a salt of hyposulphurous acid.
HYPOSULPHURIChyposulphuric adj. Alternative spelling of hyposulfuric.
HYPOSULPHURIC adj. denoting a kind of acid.
INOPPORTUNELYinopportunely adv. In an inopportune manner.
INOPPORTUNE adv. inconvenient, unseasonable.
INSUPPORTABLYinsupportably adv. In an insupportable manner.
INSUPPORTABLE adv. not supportable.
OPPROBRIOUSLYopprobriously adv. In an opprobrious manner.
OPPROBRIOUS adv. expressing contemptuous reproach; bringing disgrace.
OVERSUPPLYINGoversupplying v. Present participle of oversupply.
OVERSUPPLY v. to supply to excess.
PERSPICUOUSLYperspicuously adv. With clarity and lucidity.
PERSPICUOUS adv. easily understood; clearly expressed.
POLYSULPHIDESpolysulphides n. Plural of polysulphide.
POLYSULPHIDE n. a sulfide containing two or more atoms of sulfur in the molecule, also POLYSULFIDE.
PRECIPITOUSLYprecipitously adv. In a precipitous manner.
PRECIPITOUS adv. steep, sudden.
PYROSULPHURICpyrosulphuric adj. (Britain) Alternative spelling of pyrosulfuric.
PYROSULPHURIC adj. as in pyrosulphuric acid, a type of acid.
SUPPOSITIVELYsuppositively adv. In a suppositive manner.
SUPPOSITIVE adv. suppositional.
UNAPPROVINGLYunapprovingly adv. In an unapproving manner.
UNAPPROVING adv. not approving.
XIPHOPHYLLOUSxiphophyllous adj. (Botany) Having sword-shaped leaves.
XIPHOPHYLLOUS adj. having sword-shaped leaves.

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: 38 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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