Countable Nouns That Start with O and End with DER

Explore 18 verified English countable nouns starting with O and ending with DER, including Order, Outsider, Offender, Officeholder, Outfielder, Outlander and Oleander. 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
obtruder
Starts with OC
1 words
occluder
Starts with OF3 words
offender
officeholder
offsider
Starts with OL
1 words
oleander
Starts with OR
1 words
order
Starts with OU6 words
outsider
outfielder
outlander
outrider
outworlder
outbidder
Starts with OV5 words
overspender
overlander
overrider
overbidder
overhander

•Browse Countable Nouns by Letter (A to Z)

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