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 There is only one fifteen-letter word containing ITONI| THYROCALCITONIN | • thyrocalcitonin n. (Biochemistry) Alternative form of calcitonin. • THYROCALCITONIN n. a hormone secreted by the thyroid gland, controlling the rate of bone destruction.
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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: 7 wordsScrabble in French: 1 wordScrabble in Spanish: no wordScrabble in Italian: 7 wordsScrabble in German: no wordScrabble in Romanian: 3 words
 
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