Uncountable Nouns Starting with O and Containing MO

Browse 42 valid English uncountable nouns starting with O and containing MO, from Osmosis, Ophthalmology, Osmolarity, Osmolality, Ormolu, Osmose and Osmoregulation to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to check quantifier and measurement rules.

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Starts with OA
1 words
oakmoss
Starts with OM3 words
omophagy
omophagia
omoplatoscopy
Starts with OP19 words
ophthalmology
ophthalmoscopy
ophthalmoplegia
ophthalmometry
openmouthedness
ophthalmotonometry
ophthalmomycosis
ophthalmodiagnosis
ophthalmomyositis
ophthalmoneuritis
ophthalmoblennorrhea
ophthalmocarcinoma
ophthalmophobia
ophthalmophthisis
ophthalmomyotomy
ophthalmorrhexis
ophthalmophlebotomy
ophthalmomalacia
ophthalmorrhagia
Starts with OR
2 words
ormolu
orismology
Starts with OS8 words
osmosis
osmolarity
osmolality
osmose
osmoregulation
osmophobia
osmometry
osmophilia
Starts with OU
1 words
outmodedness
Starts with OV7 words
overemotionality
overmodesty
overmodification
overmodernization
overemotionalness
overtimorousness
overmournfulness
Starts with OX
1 words
oxyhemoglobin

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