Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
raton
←
Middle English
ratte
(affix)
←
Middle English
-oun
(affix)
→
English
ratton
(inherited)
→
Middle English
ratoner
(affix)