Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*čexati
→
Belarusian
чухаць
(derived)
→
Serbo-Croatian
čehati
(inherited)
→
Serbo-Croatian
чехати
(inherited)