Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Irish -gin
Proto-Celtic *ganyetor (inherited)
Irish gin (cognate)
Ancient Greek -γενής (derived)
Proto-Indo-European *ǵenh₁- (inherited)
Old Irish gainithir (inherited)

Irish -gineach (suffix)
Irish -gineacht (suffix)
Irish carcanaigin (affix)
Irish meatánaigin (affix)
Irish pataigin (confix)
Irish andraigin (affix)
Irish flóraigin (affix)