Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
forelsket
→
Danish
dødforelsket
(affix)
→
Danish
skrupforelsket
(affix)
→
Swedish
förälskad
(cognate)