Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
cras
←
Latin
crassus
(inherited)
→
English
crass
(derived)
→
French
gras
(mention)
→
French
crasse
(mention)