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List of 13-letter words containing

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There are 17 thirteen-letter words containing I, 2O, R, 2S, T and Y

CHROMATOLYSISchromatolysis n. The dissolution of the Nissl bodies in the cell body of a neuron.
CHROMATOLYSIS n. the dissolution and breaking up of chromophil material (as chromatin) of a cell and esp. a nerve cell.
CRYPTOLOGISTScryptologists n. Plural of cryptologist.
CRYPTOLOGIST n. a student of cryptology, the scientific study of codes.
EMBRYOLOGISTSembryologists n. Plural of embryologist.
EMBRYOLOGIST n. a specialist in embryology.
HETEROZYGOSISheterozygosis n. (Genetics) The fusion of two genetically different gametes.
HETEROZYGOSIS n. the mixed ancestry of heterozygotes.
HYDROTROPISMShydrotropisms n. Plural of hydrotropism.
HYDROTROPISM n. growth in the direction of water.
HYSTEROSCOPIChysteroscopic adj. Relating to hysteroscopy.
HYSTEROTOMIEShysterotomies n. Plural of hysterotomy.
HYSTEROTOMY n. a Caesarean cut.
MOTORCYCLISTSmotorcyclists n. Plural of motorcyclist.
MOTORCYCLIST n. one who rides a motorcycle.
MYTHOLOGISERSmythologisers n. Plural of mythologiser.
MYTHOLOGISER n. one who mythologises, also MYTHOLOGIZER.
PAPYROLOGISTSpapyrologists n. Plural of papyrologist.
PAPYROLOGIST n. a student of papyrology.
PITYROSPORUMSPITYROSPORUM n. a yeastlike fungus which can cause pityriasis.
POLYHISTORIESPOLYHISTORY n. great and varied learning.
PSYCHOHISTORYpsychohistory n. (Psychology, historiography) The scientific study of psychology and motivation in history.
psychohistory n. (Science fiction) A fictional mathematical statistical science of large population dynamics, where mathematical…
PSYCHOHISTORY n. historical analysis or interpretation using psychological and psychoanalytic methods.
PSYCHOTROPICSpsychotropics n. Plural of psychotropic.
PSYCHOTROPIC n. a drug acting on the mind.
SPHEROCYTOSISspherocytosis n. (Pathology) A medical condition in which the red blood cells are globular spheres, rather than having…
SPHEROCYTOSIS n. the presence of spherocytes in the blood, as in certain haemolytic anaemias.
SYRINGOTOMIESsyringotomies n. Plural of syringotomy.
SYRINGOTOMY n. cutting of a fistula.
TROGLODYTISMSTROGLODYTISM n. the practice of living in caves.

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: 111 words
  • Scrabble in French: 19 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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