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 There are 3 fifteen-letter words containing D, E, 2I, O and 2Y| HYPERTHYROIDISM | • hyperthyroidism n. (Medicine) The excessive production of hormones by the thyroid. • hyperthyroidism n. (Pathology) The pathological condition resulting from these excess hormones.
 • HYPERTHYROIDISM n. excessive functional activity of the thyroid gland.
 |  | ICHTHYODORYLITE | • ICHTHYODORYLITE n. a fossilised fish-spine, also ICHTHYODORULITE. |  | POLYVINYLIDENES | • polyvinylidenes n. Plural of polyvinylidene. • POLYVINYLIDENE n. any polymer derived from halogen monomers.
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 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.
 
 See this list for:English Wiktionary: 42 wordsScrabble in French: 2 wordsScrabble in Spanish: no wordScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: no word
 
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