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 List of 12-letter words containing ••••••Click to add an eighth letter
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 There are 3 twelve-letter words containing H, M, N, R, S, U and X| HYDROXONIUMS | • hydroxoniums n. Plural of hydroxonium. • HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water. |  | XERANTHEMUMS | • xeranthemums n. Plural of xeranthemum. • XERANTHEMUM n. any plant of the Xeranthemum genus of plants of southern Europe, belonging to the thistle family. |  | XIPHISTERNUM | • xiphisternum n. (Biology, medicine) Synonym of xiphoid process. • XIPHISTERNUM n. the posterior and smallest of the three divisions of the sternum. |  
 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: 5 words
 - Scrabble in French: no word
 - Scrabble in Spanish: no word
 - Scrabble in Italian: no word
 - Scrabble in German: no word
 - Scrabble in Romanian: no word
 
 
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