Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
festal
←
Middle French
festal
(borrowed)
←
Proto-Indo-European
*dʰeh₁-
(root)
←
Latin
festum
(derived)
→
English
festally
(suffix)