Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
hakke
←
Old English
*haccian
(inherited)
←
Middle English
hakken
(back-formation)
←
Middle English
hacke
(alter)
←
Middle English
hak
(alter)
←
Scots
haik
(link)