Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
влах
←
Proto-Germanic
*walhaz
(derived)
←
Proto-Slavic
*volxъ
(inherited)
→
Romanian
Vlașca
(derived)
→
Aromanian
vlah
(cognate)