Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*elbędь
→
Bulgarian
лебед
(mention)
→
Macedonian
лебед
(mention)
→
Russian
лебедь
(mention)