Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
boj
←
Proto-Slavic
*bojь
(inherited)
→
Hungarian
baj
(borrowed)
→
Romanian
bai
(derived)
→
Serbo-Croatian
bojnik
(suffix)