Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
sac
←
Ancient Greek
σάκκος
(derived)
←
Latin
saccus
(inherited)
→
Romanian
săculeț
(suffix)
→
Romanian
săcoi
(suffix)
→
Romanian
săcușor
(suffix)
→
Aromanian
sac
(cognate)