Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
fiduciarius
←
Proto-Indo-European
*bʰeydʰ-
(root)
←
Latin
fīdūcia
(suffix)
←
Latin
ārius
(suffix)
→
Catalan
fiduciari
(derived)