Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
hipopotam
←
Ancient Greek
ἱπποπόταμος
(derived)
→
Polish
hipopotami
(suffix)
→
Polish
hipopotami
(link)