Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
cânt
←
Latin
cantus
(inherited)
←
Romanian
cânta
(back-formation)
←
Romanian
cântare
(link)
←
Romanian
cântec
(link)
←
Romanian
cânta
(mention)
→
Aromanian
cãntu
(mention)