Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
лепшы
←
Polish
lepszy
(cognate)
←
Russian
ле́пший
(cognate)
←
Proto-Slavic
*lěpъ
(derived)
←
Ukrainian
лі́пший
(cognate)