Abstract Nouns Starting with O and Containing MO

Browse 34 valid English abstract nouns starting with O and containing MO, from Osmosis, Oxymoron, Ophthalmology, Osmolarity, Osmolality, Osmose and Osmoregulation to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to explore examples of abstract vs. concrete nouns.

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Starts with OM3 words
omophagy
omophagia
omoplatoscopy
Starts with OP12 words
ophthalmology
ophthalmoscopy
ophthalmoplegia
ophthalmometry
openmouthedness
ophthalmotonometry
ophthalmodiagnosis
ophthalmomyositis
ophthalmoneuritis
ophthalmoblennorrhea
ophthalmophobia
ophthalmophlebotomy
Starts with OR
1 words
orismology
Starts with OS9 words
osmosis
osmolarity
osmolality
osmose
osmoregulation
osmophobia
osmometry
osmole
osmophilia
Starts with OU
1 words
outmodedness
Starts with OV7 words
overemotionality
overmodesty
overmodification
overmodernization
overemotionalness
overtimorousness
overmournfulness
Starts with OX
1 words
oxymoron

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