Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Irish oidhre
Old French heir (mention)
Scottish Gaelic oighre (cognate)
Manx eirey (cognate)
Latin hēres (derived)
Middle Irish eigre (inherited)

Irish oidhreacht (affix)
Irish banoidhre (affix)
Scottish Gaelic oighre (cognate)
Manx eirey (cognate)