Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
fum
←
Proto-Indo-European
*dʰuh₂mós
(inherited)
←
Proto-Italic
*fūmos
(inherited)
←
Latin
fūmus
(inherited)
→
Catalan
fumera
(affix)
→
Catalan
boirum
(blend)
→
Catalan
fumeral
(affix)