Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
goniec
←
Polish
gonić
(suffix)
←
Polish
ec
(suffix)
→
Esperanto
kuriero
(derived)
→
Polish
gończy
(suffix)