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