Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
храст
←
Proto-Slavic
*xvorstъ
(inherited)
→
Bulgarian
храсте
(affix)
→
Romanian
vreasc
(cognate)