Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
-uc
←
Proto-Germanic
*-ukaz
(inherited)
←
Proto-West Germanic
*-uk
(inherited)
→
English
-ock
(mention)
→
English
-k
(mention)
→
English
gavelock
(mention)
→
Old English
-cen
(mention)
→
Middle English
-ok
(mention)