Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
fatuous
←
Latin
fatuus
(derived)
→
English
fatuously
(suffix)
→
English
fatuousness
(suffix)
→
English
unfatuous
(prefix)