Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh -eg

Breton -eg (cognate)
Welsh dueg (affix)
Welsh Cymraeg (affix)
Welsh Cymreig (suffix)
Welsh Saesneg (suffix)
Welsh mathemateg (affix)
Welsh Llydaweg (affix)
Welsh Eidaleg (affix)
Welsh cyfrifeg (affix)
Welsh peirianneg (affix)
Welsh troseddeg (affix)
Welsh seineg (affix)
Welsh meteleg (affix)
Welsh adareg (affix)
Welsh adweitheg (affix)
Welsh economeg (link)
Welsh daeareg (affix)
Welsh Fietnameg (suffix)
Welsh Gwyddeleg (affix)