List of 10-letter words beginning with

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There are 12 ten-letter words beginning with OSTR

OSTRACEANS	• ostraceans n. Plural of ostracean. • OSTRACEAN n. a member of the oyster family formerly called Ostracea.
OSTRACEOUS	• ostraceous adj. Resembling or characteristic of an oyster. • OSTRACEOUS adj. of or relating to oysters, also OSTRACEAN.
OSTRACISED	• ostracised v. Simple past tense and past participle of ostracise. • ostracised adj. Alternative spelling of ostracized. • OSTRACISE v. to exclude from a group by common consent, also OSTRACIZE.
OSTRACISER	• ostraciser n. Alternative form of ostracizer. • OSTRACISER n. one who ostracises, also OSTRACIZER.
OSTRACISES	• ostracises v. Third-person singular simple present indicative form of ostracise. • OSTRACISE v. to exclude from a group by common consent, also OSTRACIZE.
OSTRACISMS	• ostracisms n. Plural of ostracism. • OSTRACISM n. expulsion from society.
OSTRACIZED	• ostracized v. Simple past tense and past participle of ostracize. • ostracized adj. Blackballed. (clarification of this definition is needed) • ostracized adj. Banished by ostracism.
OSTRACIZER	• ostracizer n. One who ostracizes. • OSTRACIZER n. one who ostracises, also OSTRACISER.
OSTRACIZES	• ostracizes v. Third-person singular simple present indicative form of ostracize. • OSTRACIZE v. to exclude from a group by common consent, also OSTRACISE.
OSTRACODAN	• OSTRACODAN adj. relating to a class of minute crustacea with bivalve shells.
OSTRACODES	• ostracodes n. Plural of ostracode. • OSTRACODE n. a minute freshwater crustacean with a bivalve carapace, also OSTRACOD.
OSTRICHISM	• ostrichism n. The act of hiding, often unsuccessfully, by ducking one’s head out of view. • ostrichism n. (Derogatory) A policy of burying one’s head in the sand, that is, ignoring the reality of a situation. • OSTRICHISM n. the habit or policy of refusing to face unpleasant facts.

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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English Wiktionary: 25 words
Scrabble in French: 13 words
Scrabble in Spanish: 6 words
Scrabble in Italian: 22 words
Scrabble in German: no word
Scrabble in Romanian: 31 words

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