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 There are 3 thirteen-letter words containing B, O, 2S, 2T and Y| BIOSYSTEMATIC | • biosystematic adj. Of or pertaining to biosystematics. • BIOSYSTEMATIC adj. relating to taxonomy esp. as based on cytogenetics and genetics.
 |  | ERYTHROBLASTS | • erythroblasts n. Plural of erythroblast. • ERYTHROBLAST n. a cell in bone marrow that develops into an erythrocyte.
 |  | OSTENSIBILITY | • ostensibility n. The quality of being ostensible. • OSTENSIBILITY n. the state of being ostensible, intended for display.
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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: 22 wordsScrabble in French: 3 wordsScrabble in Spanish: 3 wordsScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: no word
 
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