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 There are 9 fifteen-letter words containing 2A, B, C, N, 2O and U| BIOACCUMULATION | • bioaccumulation n. (Biology) The process by which substances accumulate in the tissues of living organisms; used especially… • BIOACCUMULATION n. accumulation in a biological system over time.
 |  | BIOACOUSTICIANS | • bioacousticians n. Plural of bioacoustician. |  | 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.
 |  | NOCTAMBULATIONS | • noctambulations n. Plural of noctambulation. • NOCTAMBULATION n. sleepwalking.
 |  | SUBASSOCIATIONS | • subassociations n. Plural of subassociation. • SUBASSOCIATION n. a subordinate association.
 |  | SUBCONTRAOCTAVE | • subcontraoctave n. (Music) The octave on the bass clef ranging from three octaves below the staff (C0) to two octaves below… • SUBCONTRAOCTAVE n. the octave below the contraoctave.
 |  | SUBVOCALISATION | • SUBVOCALISATION n. the act of inaudibly articulating speech with the speech organs, also SUBVOCALIZATION. |  | SUBVOCALIZATION | • subvocalization n. (Uncountable) The formation in thought of words or statements, which are expressed inwardly but not uttered aloud. • subvocalization n. (Countable) Subvocal words or statements so formed.
 • SUBVOCALIZATION n. the act of inaudibly articulating speech with the speech organs, also SUBVOCALISATION.
 |  | UNCOMPANIONABLE | • uncompanionable adj. Aloof and standoffish. • uncompanionable adj. Disagreeable or boorish.
 • UNCOMPANIONABLE adj. not companionable.
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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: 48 wordsScrabble in French: 8 wordsScrabble in Spanish: 33 wordsScrabble in Italian: 8 wordsScrabble in German: no wordScrabble in Romanian: 10 words
 
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