Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
front
←
Proto-Indo-European
*bʰron-t-
(derived)
←
Proto-Indo-European
*bʰren-
(mention)
←
Latin
frontem
(inherited)
←
Latin
frōns
(mention)
←
Old Occitan
front
(inherited)
→
Catalan
frontal
(suffix)
→
Catalan
frontera
(suffix)
→
Catalan
enfrontar
(mention)
→
Catalan
enfront
(affix)