Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
revelour
←
Middle English
revelen
(affix)
←
Middle English
-our
(affix)
→
English
reveller
(inherited)
→
Middle English
revel
(link)