Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
brotheren
←
Middle English
brother
(affix)
←
Middle English
-en
(affix)
→
English
brothern
(inherited)
→
English
brothren
(inherited)