Abstract Nouns That Start with OS

Find 49 valid English abstract nouns starting with OS, including Osteoporosis, Osmosis, Oscillation, Osteoarthritis, Ostracism, Ostentation and Ostomy. Check definitions and usage below, or visit our noun grammar guide to explore examples of abstract vs. concrete nouns.

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Starts with OSC7 words
oscillation
osculation
oscillography
oscitancy
oscitation
oscitance
osculatrix
Starts with OSM11 words
osmosis
osmolarity
osmolality
osmose
osmoregulation
osmophobia
osmometry
osmidrosis
osmole
osmics
osmophilia
Starts with OSS
1 words
ossification
Starts with OST24 words
osteoporosis
osteoarthritis
ostracism
ostentation
ostomy
osteopathy
osteonecrosis
osteogenesis
osteology
ostinato
osteolysis
osteomalacia
ostentatiousness
osteoarthrosis
osteopetrosis
ostent
osteitis
ostensibility
osteoarthropathy
ostreiculture
osteogeny
osteography
osteofibrosis
osteoclasis

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