Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*olъ
→
Czech
Olomouc
(cognate)
→
Finnish
kalja
(cognate)
→
Macedonian
аловина
(inherited)
→
Slovene
ol
(inherited)