Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh cae
Breton kae (cognate)
Proto-Celtic *kagyom (inherited)
Welsh cau (mention)
Welsh caer (mention)
English haw (cognate)
Proto-Indo-European *kagʰom (inherited)
Proto-Indo-European *kagʰ- (mention)
Cornish ke (cognate)
Latin cohum (cognate)
Old Irish caí (cognate)
Middle Welsh kay (inherited)

English quay (cognate)
English haw (cognate)
Welsh caer (mention)
Welsh cau (link)
Faroese kai (cognate)
Old French cail (cognate)
Irish (cognate)
Norwegian Bokmål kai (cognate)
Dutch heg (cognate)
Norwegian Nynorsk kai (cognate)
Swedish kaj (cognate)