Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
insomnis
←
Proto-Indo-European
*swep-
(root)
→
Catalan
insomne
(borrowed)
→
Latin
-is
(mention)
→
Latin
insomnia
(affix)