Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
retenir
←
Latin
retinēre
(inherited)
←
Latin
retineō
(mention)
→
English
retain
(derived)
→
English
retinue
(mention)
→
French
retenir
(inherited)
→
Middle French
retenir
(inherited)