Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
влак
←
Czech
vlak
(borrowed)
←
German
Zug
(derived)
→
Bulgarian
провлак
(prefix)
→
Bulgarian
навлак
(prefix)