Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ligurian
con
←
Latin
cum
(derived)
→
Ligurian
co-o
(mention)
→
Ligurian
co-a
(mention)
→
Ligurian
co-i
(mention)
→
Ligurian
co-e
(mention)