Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
lepszy
←
Proto-Slavic
*lěpjьšьjь
(inherited)
←
Proto-Slavic
*lěpъ
(inherited)
→
Belarusian
лепшы
(cognate)
→
Lower Sorbian
lěpšy
(cognate)
→
Polish
lepsiejszy
(mention)
→
Polish
Małolepszy
(mention)
→
Polish
ulepszać
(affix)
→
Polish
ulepszyć
(affix)
→
Ukrainian
ліпший
(cognate)