Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
-lu
←
Latin
ille
(inherited)
←
Romanian
-l
(cognate)
←
Romanian
-ul
(mention)
→
Romanian
-ul
(cognate)