Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Dacus
←
Latin
Dācia
(suffix)
←
Latin
us
(suffix)
→
Romanian
dac
(borrowed)
→
Russian
дак
(derived)