Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
katkoa
←
Proto-Finnic
*katkoidak
(inherited)
→
Finnish
katkos
(affix)
→
Finnish
katkaista
(mention)
→
Finnish
katkoja
(affix)
→
Finnish
katko
(suffix)
→
Finnish
katkonta
(suffix)