Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
-ar
←
Latin
-ārius
(inherited)
←
Latin
-ārium
(mention)
←
Romanian
-ar
(cognate)
→
Aromanian
uiar
(affix)
→
Aromanian
birbicar
(affix)
→
Aromanian
limnar
(affix)