Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*orbotьnikъ
→
Bulgarian
работник
(inherited)
→
Macedonian
работник
(inherited)
→
Polish
robotnik
(inherited)
→
Russian
работник
(inherited)
→
Serbo-Croatian
работник
(inherited)