Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
ridel
→
English
riddle
(derived)
→
English
rideau
(derived)
→
English
Riddell
(derived)
→
French
rideau
(inherited)
→
French
rideau
(mention)