Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Greek
παστρεύω
→
Bulgarian
пастря
(cognate)
→
Romanian
păstra
(derived)
→
Aromanian
pãstrescu
(derived)
→
Aromanian
pãstrest
(derived)