Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
răsfăța
←
Latin
facies
(mention)
←
Romanian
răs-
(mention)
←
Romanian
față
(mention)
←
Romanian
desfăta
(mention)
→
Romanian
răsfăț
(back-formation)