Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
forn
←
Proto-Indo-European
*gʷʰr̥-nós
(inherited)
←
Proto-Indo-European
*gʷʰer-
(mention)
←
Proto-Italic
*fornos
(inherited)
←
Latin
furnus
(inherited)
←
Old Occitan
forn
(inherited)
→
Catalan
forner
(suffix)
→
Catalan
fornejar
(suffix)