Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Occitan
com
←
Old French
con
(cognate)
←
Old French
cum
(mention)
←
Latin
quomōdo
(inherited)
→
Catalan
com
(inherited)