Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
poszerzać
←
Polish
poszerzyć
(suffix)
←
Polish
ać
(suffix)
→
Polish
poszerzanie
(suffix)
→
Ukrainian
поширювати
(cognate)