Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
stupide
←
Latin
stupidus
(borrowed)
←
Latin
stupeō
(mention)
→
French
stupidement
(suffix)
→
Romanian
stupid
(derived)