Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
offert
←
Catalan
ofert
(cognate)
←
Italian
offerto
(cognate)
←
Latin
*offertus
(mention)
←
Latin
*offeriō
(mention)
←
Latin
offerō
(mention)
→
Catalan
ofert
(cognate)