Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
sodeyn
←
Latin
subitāneus
(derived)
→
English
sudden
(inherited)
→
English
suddent
(mention)
→
Middle English
sodeynly
(affix)
→
Middle English
sodeynte
(affix)