Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
rubież
←
Old East Slavic
роубєжь
(derived)
←
Polish
rąbież
(doublet)
←
Proto-Slavic
*rǫbežь
(derived)
→
Polish
rąbież
(doublet)