Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Corsican
segà
←
Spanish
segar
(cognate)
←
Proto-Indo-European
*sek-
(inherited)
←
Italian
segare
(cognate)
←
Latin
seco
(inherited)
→
Corsican
sega
(mention)