Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
mountuous
←
Middle English
mount
(affix)
←
Middle English
-ous
(affix)
←
Latin
montuōsus
(borrowed)
→
English
montuous
(inherited)