Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
cobarde
←
French
couard
(borrowed)
←
Old French
cuard
(derived)
→
Portuguese
acobardar
(affix)
→
Portuguese
cobardemente
(affix)