Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*trajati
→
Bulgarian
трая
(inherited)
→
Romanian
trăi
(derived)
→
Serbo-Croatian
trajati
(inherited)
→
Serbo-Croatian
трајати
(inherited)