Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Aycock
←
English
Adcock
(mention)
←
English
Alcock
(mention)
←
English
Hancock
(mention)
←
English
Wilcock
(mention)
←
Middle English
-cok
(mention)