Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*lędvьje
→
Bulgarian
леджа
(derived)
→
Czech
ledvina
(derived)
→
Polish
lędźwie
(inherited)