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 List of 15-letter words containing •••••Click to add a seventh letter
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 There are 2 fifteen-letter words containing B, C, 2O and 2U| 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.
 |  | UNPRONOUNCEABLE | • unpronounceable adj. Impossible or difficult to pronounce or articulate. • unpronounceable n. Something difficult or impossible to pronounce.
 • UNPRONOUNCEABLE adj. not pronounceable.
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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.
 
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