Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
arãs
←
Latin
rīsus
(inherited)
←
Romanian
râs
(cognate)
→
Aromanian
arãstornu
(prefix)
→
Aromanian
arãstor
(prefix)