Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Celtic *kagyom

English quay (derived)
Welsh caen (derived)
Welsh cae (inherited)
Faroese kai (derived)
Old French cail (mention)
Irish (derived)
Latin caium (derived)
Norwegian Bokmål kai (derived)
Dutch kade (derived)
Norwegian Nynorsk kai (derived)
Swedish kaj (derived)