Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
sodeynte
←
Middle English
sodeyn
(affix)
←
Middle English
-te
(affix)
←
Old French
sodaineté
(borrowed)
→
English
suddenty
(inherited)