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List of 13-letter words containing

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There are 14 thirteen-letter words containing I, 2O, P, 2R, S and Y

HYDROTROPISMShydrotropisms n. Plural of hydrotropism.
HYDROTROPISM n. growth in the direction of water.
HYPERLORDOSIShyperlordosis n. (Pathology) Particularly severe lordosis.
HYSTRICOMORPHhystricomorph n. Any Old World porcupine of the family Hystricidae.
HYSTRICOMORPH n. any rodent of a suborder which includes porcupines, cavies, agoutis, and chinchillas.
IMPROVISATORYimprovisatory adj. Of, pertaining to, or in the nature of improvisation.
IMPROVISATORY adj. of or like an improvisator.
MICROPOROSITYmicroporosity n. The state of being microporous.
MICROPOROSITY n. the property of micropores, very small pores.
OPPROBRIOUSLYopprobriously adv. In an opprobrious manner.
OPPROBRIOUS adv. expressing contemptuous reproach; bringing disgrace.
PITYROSPORUMSPITYROSPORUM n. a yeastlike fungus which can cause pityriasis.
PORPHYROPSINSporphyropsins n. Plural of porphyropsin.
PORPHYROPSIN n. a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin.
PROCESSIONARYprocessionary adj. Of, pertaining to, or used in a procession.
processionary n. Any of several moths or caterpillars of the subfamily Thaumetopoeinae.
PROCESSIONARY n. a kind of moth.
PROLIFEROUSLYproliferously adv. In a proliferous manner.
PROLIFEROUS adv. producing buds and/or new plants vegetatively.
PROTEROGYNIESPROTEROGYNY n. the development of female organs before male to avoid self-fertilization.
PYRITOHEDRONSpyritohedrons n. Plural of pyritohedron.
PYRITOHEDRON n. a pentagonal dodecahedron.
PYROMORPHITESpyromorphites n. Plural of pyromorphite.
PYROMORPHITE n. a green, brown, or yellow lead ore.
THYROTROPHINSthyrotrophins n. Plural of thyrotrophin.
THYROTROPHIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPIN.

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: 55 words
  • Scrabble in French: 9 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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