Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
treba
←
Serbo-Croatian
trijèba
(link)
←
Proto-Slavic
*terba
(inherited)
→
Romanian
treabă
(cognate)