Countable Nouns That Start with O and End with SS

Explore 16 verified English countable nouns starting with O and ending with SS, including Overpass, Oddness, Overdress, Ogress, Overstress, Overclass and Orchardgrass. Sort these count nouns with singular and plural forms by word length for ESL grammar practice, determiner usage, and plural spelling below, or review singular and plural count rules in our noun grammar guide.

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Starts with OB
1 words
oblateness
Starts with OD
1 words
oddness
Starts with OF
2 words
offhandedness
offendress
Starts with OG
1 words
ogress
Starts with OR
2 words
orchardgrass
oratress
Starts with OS
1 words
ostleress
Starts with OU
2 words
outcross
outpass
Starts with OV6 words
overpass
overdress
overstress
overclass
overpress
overkindness

•Browse Countable Nouns by Letter (A to Z)

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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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