Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
-ren
←
English
children
(back-formation)
←
English
brethren
(mention)
→
English
children
(affix)
→
English
-er
(link)
→
English
-er
(link)
→
English
calveren
(affix)
→
English
kidren
(affix)
→
Dutch
-eren
(mention)