Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
Frederiksen
←
Danish
Frederik
(suffix)
←
Danish
sen
(suffix)
←
Norwegian
Fredriksen
(cognate)
←
Swedish
Fredriksson
(cognate)
→
Norwegian
Fredriksen
(cognate)