Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
afonder
→
Galician
afondar
(cognate)
→
Italian
affondare
(cognate)
→
Portuguese
afundar
(cognate)
→
Romanian
afunda
(cognate)