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 There are 8 fifteen-letter words containing B, 2I, 2O, 2T and U| BIOASTRONAUTICS | • bioastronautics n. The study of the biological, behavioural and medical aspects of astronautics. • BIOASTRONAUTICS n. the science dealing with the effects of travel in space on living organisms.
 |  | IMMUNOBLOTTINGS | • immunoblottings n. Plural of immunoblotting. • IMMUNOBLOTTING n. the act of making immunoblots.
 |  | NONCONTRIBUTING | • noncontributing adj. Not contributing; that does not contribute or does not involve contribution. • NONCONTRIBUTING adj. not contributing.
 |  | OBSTRUCTIONISMS | • obstructionisms n. Plural of obstructionism. • OBSTRUCTIONISM n. deliberate interference with the progress or business esp. of a legislative body.
 |  | OBSTRUCTIONISTS | • obstructionists n. Plural of obstructionist. • OBSTRUCTIONIST n. someone, esp. a politician in a legislative assembly, who practises obstruction.
 |  | ROUNDABOUTILITY | • ROUNDABOUTILITY n. the state of being roundabout. |  | SUBOPTIMISATION | • suboptimisation n. Alternative spelling of suboptimization. • SUBOPTIMISATION n. the process of suboptimising, also SUBOPTIMIZATION.
 |  | SUBOPTIMIZATION | • suboptimization n. The optimization of a subunit (or series of subunits) of an organization without good coordination with… • SUBOPTIMIZATION n. the process of suboptimizing, also SUBOPTIMISATION.
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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 1Word.ws and WikWik.org.
 
 See this list for:English Wiktionary: 59 wordsScrabble in French: 7 wordsScrabble in Spanish: 3 wordsScrabble in Italian: 11 wordsScrabble in German: no wordScrabble in Romanian: 46 words
 
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