Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
déloyauté
←
Old French
desloiauté
(mention)
←
Old French
des-
(mention)
←
Old French
loiauté
(mention)
→
English
disloyalty
(cognate)