Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
гъска
←
Bulgarian
-ка
(affix)
←
Proto-Slavic
*gǫ̑sь
(inherited)
→
Romanian
gâscă
(borrowed)
→
Romanian
gânsac
(mention)