Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
ле́пший
→
Belarusian
лепшы
(cognate)
→
Lower Sorbian
lěpšy
(cognate)
→
Ukrainian
ліпший
(cognate)