Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
coma
←
Catalan
comatós
(link)
←
Catalan
cometa
(link)
←
Catalan
punt i coma
(link)
←
Catalan
comella
(link)
←
Catalan
comellar
(link)
←
Gaulish
*kumba
(derived)
←
Proto-Celtic
*kumbā
(derived)
←
Ancient Greek
κῶμα
(borrowed)
←
Ancient Greek
κόμμα
(derived)
←
Latin
comma
(borrowed)
←
Old Occitan
comba
(inherited)
→
Catalan
cometa
(affix)