Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *gog

English cake (derived)
Cebuano keyk (derived)
French quiche (derived)
Irish cáca (derived)
Northern Kurdish gog (inherited)
Polish quiche (derived)
Portuguese queque (mention)
Swedish kaka (inherited)
Swedish kex (derived)