Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
cneaz
←
Old Church Slavonic
кънѧзь
(borrowed)
←
Proto-Germanic
*kuningaz
(derived)
←
Romanian
chinez
(doublet)
←
Russian
князь
(cognate)
←
Proto-Slavic
*kъnędzь
(derived)
←
Ukrainian
князь
(cognate)
→
Romanian
chinez
(doublet)