Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
plenitas
←
Latin
plēnus
(suffix)
←
Latin
itās
(suffix)
→
English
plenty
(mention)
→
English
plenteous
(mention)
→
Middle English
plentevous
(mention)
→
Old French
plenté
(inherited)
→
Norman
plenté
(inherited)