Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
-ok
←
Old English
-oc
(inherited)
←
Old English
-uc
(mention)
←
English
-ock
(link)
←
Proto-Germanic
*-ukaz
(inherited)
→
English
haddock
(mention)
→
English
-ock
(mention)
→
Middle English
-chen
(affix)
→
Middle English
ballok
(affix)
→
Middle English
bullok
(affix)