Concrete Nouns That Start with OO

Find 31 valid English concrete nouns starting with OO, including Ooh, Ooze, Oof, Oolong, Oocyte, Oobleck and Oom. Check definitions and usage below, or visit our noun grammar guide to compare physical and abstract noun usage.

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Starts with OO
1 words
oo
Starts with OOB
2 words
oobleck
oobit
Starts with OOC
2 words
oocyte
oocyst
Starts with OOF
2 words
oof
ooftish
Starts with OOG
2 words
oogonium
oogamete
Starts with OOH
1 words
ooh
Starts with OOJ
1 words
oojamaflip
Starts with OOL4 words
oolong
oolite
oologist
oolith
Starts with OOM3 words
oom
oom-pah-pah
oomycete
Starts with OON
1 words
oont
Starts with OOP5 words
oophorectomy
oophorosalpingectomy
oophyte
oophoron
oophorhysterectomy
Starts with OOS4 words
oosphere
oospore
oose
oosperm
Starts with OOT
2 words
ootheca
ootid
Starts with OOZ
1 words
ooze

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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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