Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
hovedårsag
←
Danish
hoved-
(affix)
←
Danish
årsag
(affix)
→
Norwegian Bokmål
hovedårsak
(cognate)