Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*greby
→
Czech
hřeben
(inherited)
→
Polish
grzebień
(inherited)
→
Russian
гребень
(inherited)
→
Ukrainian
гребінь
(inherited)