List of 15-letter words containing •••••••

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There are 19 fifteen-letter words containing A, B, 2I, 2O, S and U

AUTOBIOGRAPHIES	• autobiographies n. Plural of autobiography. • AUTOBIOGRAPHY n. the biography of a person narrated by himself or herself.
BASIDIOMYCETOUS	• basidiomycetous adj. Relating to the basidiomycetes. • BASIDIOMYCETOUS adj. of or like a basidiomycete.
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.
COLOURABILITIES	• COLOURABILITY n. the quality of being colourable, also COLORABILITY.
EBULLIOSCOPICAL	• ebullioscopical adj. Alternative form of ebullioscopic. • EBULLIOSCOPICAL adj. relating to an ebullioscope, an instrument for measuring the boiling point of liquids, also EBULLIOSCOPIC.
HEMOGLOBINURIAS	• hemoglobinurias n. Plural of hemoglobinuria. • HEMOGLOBINURIA n. the presence of free hemoglobin in the urine, also HAEMOGLOBINURIA.
HONOURABILITIES	• honourabilities n. Plural of honourability. • HONOURABILITY n. the quality of being honourable, also HONORABILITY.
INSUBORDINATION	• insubordination n. The quality or state of being insubordinate; disobedience to lawful authority; specifically, an employee’s… • INSUBORDINATION n. the state of being insubordinate.
OVERAMBITIOUSLY	• overambitiously adv. With too much ambition.
SOLUBILISATIONS	• SOLUBILISATION n. the act of solubilising, also SOLUBILIZATION.
SOLUBILIZATIONS	• solubilizations n. Plural of solubilization. • SOLUBILIZATION n. the act of solubilizing, also SOLUBILISATION.
SUBASSOCIATIONS	• subassociations n. Plural of subassociation. • SUBASSOCIATION n. a subordinate association.
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.
SUBORGANISATION	• SUBORGANISATION n. a subsidiary part of an organisation, also SUBORGANIZATION.
SUBORGANIZATION	• suborganization n. An organization belonging to a larger parent organization. • SUBORGANIZATION n. a subsidiary part of an organisation, also SUBORGANISATION.
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.

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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English Wiktionary: 76 words
Scrabble in French: 42 words
Scrabble in Spanish: 27 words
Scrabble in Italian: 24 words
Scrabble in German: no word
Scrabble in Romanian: 57 words

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