Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
omaehtoinen
←
Finnish
oma
(compound)
←
Finnish
-ehtoinen
(compound)
→
Finnish
omaehtoisesti
(affix)
→
Finnish
omaehtoisuus
(affix)