Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romagnol
sac
←
Latin
saccum
(inherited)
←
Latin
saccus
(inherited)
→
Romagnol
sachèt
(suffix)
→
Romagnol
sacadén
(suffix)
→
Romagnol
sacôn
(suffix)