Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*-ōz
→
English
-er
(inherited)
→
English
-s
(mention)
→
Dutch
-s
(cognate)
→
Yola
-es
(mention)