Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
operoida
←
Finnish
(suffix)
←
Finnish
oida
(suffix)
←
Latin
operārī
(derived)
→
Finnish
operoija
(suffix)
→
Finnish
operointi
(suffix)