Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
pogorszyć
←
Polish
po-
(affix)
←
Polish
gorszyć
(affix)
→
Belarusian
пагоршыць
(cognate)
→
Polish
pogarszać
(suffix)
→
Ukrainian
погіршити
(cognate)