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 There are 4 thirteen-letter words containing 2H, I, R, S and 2U| HYPOSULPHURIC | • hyposulphuric adj. Alternative spelling of hyposulfuric. • HYPOSULPHURIC adj. denoting a kind of acid.
 |  | ICHTHYOSAURUS | • ichthyosaurus n. (Archaic) Alternative form of ichthyosaur. • ichthyosaurus n. Any members of the genus Ichthyosaurus.
 • Ichthyosaurus prop.n. A taxonomic genus within the family Ichthyosauridae – large, extinct marine reptiles.
 |  | ROUGHHOUSINGS | • ROUGHHOUSING n. brawling. |  | THIOSULPHURIC | • thiosulphuric adj. (Inorganic chemistry, chiefly Britain) Alternative spelling of thiosulfuric. • THIOSULPHURIC adj. as in thiosulphuric acid, sulphuric acid in which one atom of oxygen is replaced by sulphur.
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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: 9 wordsScrabble in French: no wordScrabble in Spanish: 3 wordsScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: no word
 
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