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 There are 3 twelve-letter words containing SULPHONA| SULPHONAMIDE | • sulphonamide n. (British spelling, pharmacology) Alternative spelling of sulfonamide. • SULPHONAMIDE n. an organic amide of a sulphonic acid; specifically any of the drugs derived from sulphanilamide. |  | SULPHONATING | • sulphonating v. Present participle of sulphonate. • SULPHONATE v. to convert into sulphonic acid, also SULFONATE. |  | SULPHONATION | • sulphonation n. Alternative spelling of sulfonation. • SULPHONATION n. the act of sulphonating. |  
 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: 4 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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