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onomancy

noun
on·o·man·cy | \ ˈänəˌman(t)sē , ōˈnämənsē \
plural -es

Definition of onomancy 

: divination from the letters of a name

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History and Etymology for onomancy

obsolete French onomancie, from Middle French, irregular from Greek onoma name + Middle French -mancie -mancy

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Dictionary Entries near onomancy

on-off

on offense

on/off one's back

onomancy

onomasiologic

onomasiology

onomastic

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