Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Church Slavonic ꙗдъ
Proto-Indo-European *h₁ed-u- (derived)
Proto-Indo-European *h₁ed- (derived)
Proto-Slavic *(j)ědъ (inherited)

English oat (mention)
Bulgarian яд (inherited)
Faroese eitil (cognate)