Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
runkata
←
Swedish
runka
(borrowed)
→
Finnish
runkku
(suffix)
→
Finnish
runkkaus
(suffix)
→
Finnish
runkkaaminen
(affix)