Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
mãdular
←
Latin
medulla
(inherited)
←
Romanian
mădular
(cognate)
→
Romanian
mădular
(cognate)
→
Aromanian
mãduã
(link)