Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Corsican
serra
←
Spanish
sierra
(cognate)
←
Proto-Indo-European
*sers-
(derived)
←
Proto-Italic
*serzā
(inherited)
←
Latin
serra
(inherited)
←
Portuguese
serra
(cognate)
→
Corsican
pesciu serra
(mention)