List of 7-letter words beginning with

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There are 13 seven-letter words beginning with OST

OSTENTS	• ostents n. Plural of ostent. • OSTENT v. to show off.
OSTEOID	• osteoid adj. Of, pertaining to, or characteristic of bone; bonelike. • osteoid n. An organic matrix of protein and polysaccharides, secreted by osteoblasts, that becomes bone after mineralization. • OSTEOID n. an uncalcified bone matrix.
OSTEOMA	• osteoma n. (Medicine, pathology) A benign bony tumour that typically grows on the skull. • OSTEOMA n. (Greek) a tumor composed of bone or bone-like tissue.
OSTIARY	• ostiary n. The mouth of a river; an estuary. • ostiary n. One who keeps the door, especially the door of a church; a porter. • OSTIARY n. a doorkeeper at a church.
OSTIATE	• OSTIATE adj. having an ostium (a mouthlike opening).
OSTIOLE	• ostiole n. (Mycology) A small hole or opening through which certain fungi release their mature spores. • ostiole n. (Botany) A similar hole or opening in plants, such as the opening of the involuted fig inflorescence… • OSTIOLE n. a small bodily opening.
OSTLERS	• ostlers n. Plural of ostler. • OSTLER n. a horse tender at an inn.
OSTMARK	• ostmark n. (Historical) The currency unit of the former German Democratic Republic (aka GDR, DDR, East Germany)… • OSTMARK n. (German) a former East German monetary unit.
OSTOSES	• OSTOSIS n. the formation of bone.
OSTOSIS	• ostosis n. (Physiology) bone formation; ossification. • OSTOSIS n. the formation of bone.
OSTRACA	• ostraca n. Plural of ostracon. • OSTRACON n. (Greek) a piece of tile for writing a message upon, also OSTRAKON.
OSTRAKA	• ostraka n. Plural of ostrakon. • OSTRAKON n. (Greek) a piece of tile for writing a message upon, also OSTRACON.
OSTRICH	• ostrich n. (Ornithology) A large flightless bird of the genus Struthio. • ostrich n. (Figurative) One who buries one’s head in the sand instead of acknowledging problems. • ostrich n. (Golf) The hypothetical completion of a hole five strokes under par (a quintuple birdie, quadruple eagle…

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: 34 words
Scrabble in French: 10 words
Scrabble in Spanish: 10 words
Scrabble in Italian: 47 words
Scrabble in German: 16 words
Scrabble in Romanian: 59 words

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