Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
French cohue
Breton koc'hu (cognate)
Breton koc'hui (mention)
Proto-Brythonic *hwɨβid (derived)
Welsh cy- (cognate)
Welsh chwyf (mention)
Middle Breton cochuy (derived)