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9-Letter Words That Start With: OS

There are 57 9-letter words, 3 9-letter phrases and 0 9-letter abbr's that start with OS.

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Expand?WordSave?LengthUsagePointsType
ostracize9
20 verbv
verb

• expel from a community or group

• avoid speaking to or dealing with

oscitancy9
16 nounn
noun

• drowsiness and dullness manifested by yawning

• an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom

osmically9
16 adverbadv
Valid word for Scrabble US
osmometry9
16 nounn
Valid word for Scrabble US
ossifying9
16 verb, adjectivev, adj
verb

• become bony

• make rigid and set into a conventional pattern

• cause to become hard and bony

osteopath9
14 nounn
noun

• a therapist who manipulates the skeleton and muscles

osteocyte9
14 nounn
noun

• mature bone cell

osteotomy9
14 nounn
noun

• surgical sectioning of bone

ostriches9
14 nounn
noun

• a person who refuses to face reality or recognize the truth (a reference to the popular notion that the ostrich hides from danger by burying its head in the sand)

• fast-running African flightless bird with two-toed feet; largest living bird

osteology9
13 nounn
noun

• the branch of anatomy that studies the bones of the vertebrate skeleton

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Tip: Scrabble EU allows far more words than US! Also change the max length to see more words.

All 9 Letter Words

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