Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
мавр
←
German
Maure
(borrowed)
←
Latin
Maurus
(derived)
←
Russian
му́рин
(doublet)
→
Russian
негр
(link)
→
Russian
мурин
(doublet)