Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Gallo
ouézai
←
Old French
oisel
(inherited)
←
Latin
avis
(inherited)
→
French
oiseau
(cognate)
→
Walloon
oujhea
(cognate)