Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
volný
←
Proto-Slavic
*volьnъ
(inherited)
→
Czech
uvolnit
(affix)
→
Czech
volnost
(suffix)
→
Czech
volnočasový
(affix)
→
Czech
samovolný
(prefix)
→
Polish
wolny
(cognate)