Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
dihor
←
Proto-Slavic
*dъxorъ
(derived)
→
Romanian
Dihor
(mention)
→
Romanian
Dihoru
(mention)