Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Megleno-Romanian
buf
←
Bulgarian
бух
(cognate)
←
Macedonian
був
(cognate)
←
Romanian
buf
(cognate)
←
Aromanian
buf
(cognate)
→
Romanian
buf
(cognate)
→
Aromanian
buf
(cognate)