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List of 13-letter words containing

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There are 19 thirteen-letter words containing I, 2O, 2P, S and Y

HYPOPHOSPHITEhypophosphite n. (Chemistry) any salt of hypophosphorous acid.
HYPOPHOSPHITE n. a salt of hypophosphorous acid.
LIPODYSTROPHYlipodystrophy n. (Pathology) A disorder characterized by abnormal or degenerative conditions of the body’s adipose tissue.
LIPODYSTROPHY n. a medical condition characterized by abnormal or degenerative conditions of the body's adipose tissue.
LYMPHOPOIESESlymphopoieses n. Plural of lymphopoiesis.
LYMPHOPOIESIS n. the formation of lymphatic tissue or lymphocytes.
LYMPHOPOIESISlymphopoiesis n. (Medicine) The development of lymphocytes and associated tissue.
LYMPHOPOIESIS n. the formation of lymphatic tissue or lymphocytes.
OPISTHOGRAPHYopisthography n. A writing upon the back of anything, as upon the back of a sheet already written upon on one side.
OPISTHOGRAPHY n. inscribing on the back as well as the front.
OPPROBRIOUSLYopprobriously adv. In an opprobrious manner.
OPPROBRIOUS adv. expressing contemptuous reproach; bringing disgrace.
PAPYROLOGISTSpapyrologists n. Plural of papyrologist.
PAPYROLOGIST n. a student of papyrology.
PHOTOCOPYINGSphotocopyings n. Plural of photocopying.
PHOTOCOPYING n. the act of making a photocopy.
PHOTOGLYPHIESPHOTOGLYPHY n. photography by photoglyph.
PITYROSPORUMSPITYROSPORUM n. a yeastlike fungus which can cause pityriasis.
POLYISOPRENESpolyisoprenes n. Plural of polyisoprene.
POLYISOPRENE n. a rubberlike polymer of isoprene.
POLYMORPHISMSpolymorphisms n. Plural of polymorphism.
POLYMORPHISM n. the circumstance in which two minerals with different crystalline structures have identical chemical compositions, e.g. diamond and graphite.
POLYPHLOISBICpolyphloisbic adj. (Poetic, of the sea) noisy, roaring, thundering.
POLYPHLOISBIC adj. loud-roaring, also POLYPHLOESBOEAN.
PORPHYROPSINSporphyropsins n. Plural of porphyropsin.
PORPHYROPSIN n. a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin.
PSYCHOTROPICSpsychotropics n. Plural of psychotropic.
PSYCHOTROPIC n. a drug acting on the mind.
PYCNIDIOSPOREpycnidiospore n. A spore from a pycnidium.
PYCNIDIOSPORE n. a conidium produced in a pycnidium, also PYCNOSPORE.
PYROMORPHITESpyromorphites n. Plural of pyromorphite.
PYROMORPHITE n. a green, brown, or yellow lead ore.
SYPHILOPHOBIAsyphilophobia n. A morbid fear of syphilis.
SYPHILOPHOBIA n. fear of syphilis.
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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 106 words
  • Scrabble in French: 22 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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