Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
wygodny
←
Polish
wygoda
(suffix)
←
Polish
ny
(suffix)
→
Polish
wygodnie
(suffix)
→
Polish
niewygodny
(prefix)
→
Ukrainian
вигідний
(cognate)