Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
ducal
←
Middle French
ducal
(mention)
←
Proto-Indo-European
*dewk-
(root)
←
Latin
ducālis
(mention)
→
English
archducal
(prefix)
→
English
ducally
(suffix)