Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
nisomnu
←
Romanian
nesomn
(cognate)
←
Aromanian
ni
(prefix)
←
Aromanian
somnu
(prefix)
→
Romanian
nesomn
(cognate)