Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*ědъ
→
Bulgarian
яд
(inherited)
→
Bulgarian
яд
(inherited)
→
Czech
jed
(inherited)
→
Polish
jad
(inherited)
→
Russian
яд
(inherited)