Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
ouster
←
English
oust
(affix)
←
English
-er
(affix)
←
Old French
ouster
(mention)
←
Old French
oustre
(mention)
←
Old French
oustre
(mention)