Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swedish
lillejulafton
←
Danish
lillejuleaften
(cognate)
←
Swedish
lille-
(prefix)
←
Swedish
julafton
(prefix)
→
Danish
lillejuleaften
(cognate)