Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
harnic
←
Bulgarian
ха́рен
(cognate)
←
Old Church Slavonic
(borrowed)
←
Ancient Greek
χάρις
(derived)
←
Macedonian
арен
(cognate)
←
Romanian
(suffix)
←
Romanian
-ic
(suffix)
←
Proto-Slavic
*-ьnъ
(derived)
→
Bulgarian
харен
(cognate)
→
Macedonian
арен
(cognate)
→
Romanian
hărnicie
(suffix)
→
Romanian
hărnicuț
(suffix)
→
Romanian
hărnicel
(suffix)
→
Romanian
Hărnicești
(mention)
→
Romanian
Harnicu
(mention)