Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
eken
→
English
oaken
(mention)
→
English
eke
(inherited)
→
English
eking
(mention)
→
Middle English
aken
(alter)
→
Middle English
oken
(alter)