Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
crenel
→
English
crenellate
(derived)
→
English
crenelate
(derived)
→
English
crenellation
(derived)
→
English
crenel
(mention)