Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
rovina
→
Bulgarian
ровина
(cognate)
→
Czech
polorovina
(prefix)
→
Czech
rovinka
(affix)
→
Czech
nadrovina
(prefix)
→
Czech
rovinný
(affix)