Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
commoner
←
English
common
(suffix)
←
English
er
(suffix)
←
English
common
(suffix)
←
English
er
(suffix)
←
Middle English
comoner
(inherited)
←
Middle English
comyner
(mention)
←
Middle English
cumuner
(mention)
→
Ancient Greek
δῆμος
(link)