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List of 15-letter words containing

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There are 11 fifteen-letter words containing 2H, 2I, 2O and Y

EPICHLOROHYDRINepichlorohydrin n. (Chemistry) Any epihalohydrin in which the halogen is chlorine.
EPICHLOROHYDRIN n. a volatile liquid toxic epoxide used esp. in making epoxy resins and rubbers.
HELIOSCIOPHYTESHELIOSCIOPHYTE n. a plant that thrives in sun better than shade.
HISTOPHYSIOLOGYhistophysiology n. The physiology or study of the functions of the cells and tissues in health.
HISTOPHYSIOLOGY n. a branch of physiology concerned with the function and activities of tissues.
HYPOCHONDRIASIShypochondriasis n. (Medicine) A mental disorder characterized by excessive fear of or preoccupation with a serious illness…
HYPOCHONDRIASIS n. morbid concern about one's health esp. when accompanied by delusions of physical disease.
HYPOTHYROIDISMShypothyroidisms n. Plural of hypothyroidism.
HYPOTHYROIDISM n. deficient activity of the thyroid gland.
HYSTRICOMORPHICHYSTRICOMORPHIC adj. belonging to the rodent suborder Hystricomorpha, which includes porcupines, cavies, agoutis, and chinchillas.
ICHTHYODORULITEichthyodorulite n. (Zoology) One of the spiny plates found on the back and tail of certain skates.
ichthyodorulite n. (Geology) A fossil fish-spine found in stratified rock.
ICHTHYODORULITE n. a fossilised fish-spine, also ICHTHYODORYLITE.
ICHTHYODORYLITEICHTHYODORYLITE n. a fossilised fish-spine, also ICHTHYODORULITE.
PHILOSOPHICALLYphilosophically adv. In a philosophical manner.
PHILOSOPHICAL adv. relating to philosophy, also PHILOSOPHIC.
PSYCHOHISTORIANpsychohistorian n. One who is involved in the field of psychohistory.
PSYCHOHISTORIAN n. a student of psychohistory.
PSYCHOHISTORIESpsychohistories n. Plural of psychohistory.
PSYCHOHISTORY n. historical analysis or interpretation using psychological and psychoanalytic methods.

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: 51 words
  • Scrabble in French: 2 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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