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-ont
Ont.
ont-
Ontario
Ontario, Lake
ontic
onto
onto-
ontogeny
ontological
ontological argument
ontology
onus
onward
onychogryphosis
onycholysis
onychomycosis
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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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