Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*-fullaz
→
English
-ful
(inherited)
→
English
-ful
(inherited(en/ang))
→
Middle English
-ful
(inherited)