Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
gorszy
←
Proto-Slavic
*gořьjь
(inherited)
←
Proto-Slavic
*gorьkъ
(inherited)
→
Belarusian
горшы
(cognate)
→
Polish
gorszyć
(suffix)
→
Ukrainian
гірший
(cognate)