Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
purtar
←
Latin
porta
(inherited)
←
Romanian
portar
(cognate)
←
Aromanian
poartã
(suffix)
←
Aromanian
ar
(suffix)
→
Romanian
portar
(cognate)