Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
ajudar
←
Latin
adiūtāre
(inherited)
←
Latin
adiūtō
(mention)
←
Old Occitan
(inherited)
→
French
aider
(cognate)