List of 12-letter words containing

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There are 15 twelve-letter words containing OSTOM

ANGIOSTOMOUS	• ANGIOSTOMOUS adj. narrow-mouthed; with a mouth that is not distensible, also ANGIOSTOMATOUS.
CYCLOSTOMATE	• cyclostomate n. (Zoology) Any member of the Cyclostomata class of fish. • CYCLOSTOMATE adj. of or like a cyclostome.
CYCLOSTOMOUS	• cyclostomous adj. (Zoology) Relating to the cyclostomes. • CYCLOSTOMOUS adj. of or like a cyclostome.
CYSTOSTOMIES	• cystostomies n. Plural of cystostomy. • CYSTOSTOMY n. the surgical operation of creating an artificial opening from the bladder to the abdomen.
DEUTEROSTOME	• deuterostome n. (Zoology) Any animal, of the subphylum Deuterostomia, in which the initial pore formed during gastrulation… • DEUTEROSTOME n. any of a major division of the animal kingdom that includes the bilaterally symmetrical animals.
ENTEROSTOMAL	• enterostomal adj. Relating to enterostomy. • ENTEROSTOMAL adj. relating to enterostomy.
ETHEOSTOMINE	• etheostomine adj. (Zoology) Belonging to the fish genus Etheostoma. • ETHEOSTOMINE adj. of or like the Etheostoma, a genus of small American freshwater fishes related to perch.
GNATHOSTOMES	• gnathostomes n. Plural of gnathostome. • GNATHOSTOME n. any vertebrate of the superclass Gnathostomata, having a mouth with jaws, including all vertebrates except the agnathans.
MICROSTOMOUS	• MICROSTOMOUS adj. having an unusually small mouth, also MICROSTOMATOUS.
NEPHROSTOMES	• nephrostomes n. Plural of nephrostome. • NEPHROSTOME n. the funnel-shaped coelomic opening of a typical nephridium.
PHYSOSTOMOUS	• physostomous adj. (Zoology) Having a duct to the air bladder. • physostomous adj. (Zoology) Relating to the Physostomi. • PHYSOSTOMOUS adj. of fishes, having a duct connecting the air bladder to part of the alimentary canal.
PLAGIOSTOMES	• plagiostomes n. Plural of plagiostome. • PLAGIOSTOME n. any fish families of the Plagiostomata or Plagiostomi, the cross-mouthed fishes, sharks and ray.
TELEOSTOMOUS	• TELEOSTOMOUS adj. belonging to the Teleostomi, fishes with membrane bones in the skull.
THORACOSTOMY	• thoracostomy n. Incision into the chest wall, with maintenance of the opening for drainage. • THORACOSTOMY n. the construction of an artificial opening in the chest, usually to draw off fluid or release a buildup of air.
TRACHEOSTOMY	• tracheostomy n. (Surgery) A surgical procedure in which an incision is made into the trachea, through the neck, and… • TRACHEOSTOMY n. a surgical incision into the windpipe, to relieve choking, also TRACHEOTOMY.

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: 82 words
Scrabble in French: 7 words
Scrabble in Spanish: 3 words
Scrabble in Italian: 8 words
Scrabble in German: no word
Scrabble in Romanian: 11 words

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