Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*kupьcь
→
Czech
kupec
(inherited)
→
Polish
kupiec
(inherited)
→
Romanian
precupeț
(derived)
→
Romanian
cupeț
(borrowed)
→
Slovak
kupec
(inherited)
→
Ukrainian
купець
(inherited)