Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
oleellinen
←
Finnish
olla
(suffix)
←
Finnish
llinen
(suffix)
→
Finnish
epäoleellinen
(prefix)
→
Finnish
oleellisesti
(suffix)