Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
leac
←
Proto-Germanic
*lēkijaz
(derived)
←
Proto-Slavic
*lěkъ
(derived)
→
Romanian
lecui
(suffix)