Countable Nouns Starting with O and Containing SS

Explore 50 verified English countable nouns starting with O and containing SS, including Oppression, Obsession, Omission, Obsessive, Odyssey, Oppressor and Overpass. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with OB6 words
obsession
obsessive
obsessional
obsessor
oblateness
obsessionist
Starts with OD3 words
odyssey
oddness
odontoglossum
Starts with OF
2 words
offhandedness
offendress
Starts with OG
1 words
ogress
Starts with OM
1 words
omission
Starts with OP3 words
oppression
oppressor
opossum
Starts with OQ
1 words
oquassa
Starts with OR
2 words
orchardgrass
oratress
Starts with OS16 words
ossification
ossuary
ossicle
ossobuco
ossia
ossetra
ossifrage
ossature
ossarium
ossicone
osselet
ossifier
osteoglossum
osteoglossid
ossifraga
ostleress
Starts with OU4 words
outgassing
outcross
outcrossing
outpass
Starts with OV11 words
overpass
overdress
overpressure
overstress
overclass
overassessment
overissue
overissuance
overpress
overassertion
overkindness

•Browse Countable Nouns by Letter (A to Z)

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