Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
purposer
←
English
purpose
(suffix)
←
English
er
(suffix)
←
Latin
prō-
(derived(en/fro))
→
English
purpose
(link)