Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
cârtiță
←
Bulgarian
къртица
(borrowed)
←
Serbo-Croatian
krtica
(cognate)
←
Proto-Slavic
*krъtъ
(derived)
→
Romanian
Cârtiță
(mention)
→
Romanian
Cîrtiță
(mention)