Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
martedì
←
Latin
(inherited)
←
Latin
dīēs Martis
(mention)
→
Corsican
marti
(cognate)
→
Venetian
marti
(cognate)