Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
rufă
←
Proto-Slavic
*ruxo
(mention)
→
Bulgarian
рухо
(cognate)
→
Romanian
rufușoară
(suffix)
→
Romanian
rufărie
(suffix)