Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
erastiaan
←
English
Erastian
(borrowed)
←
Dutch
Erastus
(suffix)
←
Dutch
iaan
(suffix)
→
Dutch
erastiaans
(suffix)