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