Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
kostnaðr
←
Proto-Indo-European
*ǵews-
(root)
←
Old Norse
kosta
(suffix)
←
Old Norse
naðr
(suffix)
→
Norwegian Bokmål
kostnad
(derived)
→
Norwegian Nynorsk
kostnad
(derived)