Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
opanować
←
Polish
o-
(affix)
←
Polish
panować
(affix)
→
Polish
opanowywać
(affix)
→
Polish
opanowany
(affix)
→
Ukrainian
опанувати
(cognate)