Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*volьnъ
→
Bulgarian
волен
(inherited)
→
Czech
volný
(inherited)
→
Polish
wolny
(inherited)
→
Romanian
volnic
(borrowed)
→
Russian
вольный
(inherited)
→
Ukrainian
вільний
(inherited)