Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Occitan
bosc
←
Proto-Germanic
*buskaz
(derived)
→
Catalan
bosc
(inherited)
→
Old Occitan
boschatge
(suffix)