Countable Nouns That Start with O and End with ARY

Explore 13 verified English countable nouns starting with O and ending with ARY, including Ordinary, Obituary, Ovary, Ossuary, Ostiary, Octonary and Otary. 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
2 words
obituary
obedientiary
Starts with OC5 words
octonary
octogenary
octocentenary
octingentenary
octingenary
Starts with OF
1 words
officiary
Starts with OR
1 words
ordinary
Starts with OS
2 words
ossuary
ostiary
Starts with OT
1 words
otary
Starts with OV
1 words
ovary

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