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There are 7 fifteen-letter words containing A, B, I, 2O, 2T and U

BIOASTRONAUTICSbioastronautics 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.
NOCTAMBULATIONSnoctambulations n. Plural of noctambulation.
NOCTAMBULATION n. sleepwalking.
OBSTRUCTIONALLYobstructionally adv. As, or by way of, an obstruction; obstructively.
OBSTRUCTIONAL adv. relating to obstruction.
ROUNDABOUTATIONROUNDABOUTATION n. going round and round.
ROUNDABOUTILITYROUNDABOUTILITY n. the state of being roundabout.
SUBOPTIMISATIONsuboptimisation n. Alternative spelling of suboptimization.
SUBOPTIMISATION n. the process of suboptimising, also SUBOPTIMIZATION.
SUBOPTIMIZATIONsuboptimization 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.

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.

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See this list for:

  • English Wiktionary: 83 words
  • Scrabble in French: 20 words
  • Scrabble in Spanish: 5 words
  • Scrabble in Italian: 15 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 59 words


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