Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
fisse
→
Danish
fissehul
(affix)
→
Danish
narrefisse
(affix)
→
Old Norse
fuð
(cognate)
→
Swedish
fitta
(cognate)