Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
żałować
←
Polish
żal
(affix)
←
Polish
-ować
(affix)
←
Proto-Slavic
*žalovati
(inherited)
→
Polish
żałoba
(affix)
→
Romanian
jelui
(cognate)