Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
clucer
←
Old Church Slavonic
ключарь
(borrowed)
←
Old Church Slavonic
ключь
(mention)
←
Proto-Slavic
*kľučь
(derived)
→
Romanian
Clucereasa
(mention)
→
Romanian
Cluceru
(mention)
→
Romanian
Culcer
(mention)