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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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onychomycosis
onychopathy
onychophoran
onychorrhexis
onychosis
-onym
onymous
onyx
oo-
ooch (1)
ooch (2)
oocyst
oocyte
OODA Loop
oodles
OOG
oogamete
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oo-
oo-


prefix 
Definition:
 
ovum, egg
oospore
[< Greek ōion< Indo-European, "egg"]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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