Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
iezer
←
Proto-Slavic
*ezero
(borrowed)
→
Romanian
Iezeru
(mention)
→
Romanian
Iezer
(mention)
→
Romanian
Iezerel
(affix)