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 List of 13-letter words containing ••••••Click to add an eighth letter
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 There are 4 thirteen-letter words containing I, 2N, O, S, X and Y| DEOXYGENISING | • DEOXYGENISE v. to remove oxygen from, also DEOXYGENIZE. |  | EXTENSIONALLY | • extensionally adv. In terms or by means of extension. • EXTENSIONAL adv. of, relating to, or marked by extension. |  | HYPOXANTHINES | • hypoxanthines n. Plural of hypoxanthine. • HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation. |  | PHYCOXANTHINS | • PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc. |  
 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. 
 See this list for:- English Wiktionary: 23 words
 - Scrabble in French: 4 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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