Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
gavne
←
Danish
gavn
(cognate)
←
Old Norse
gagna
(derived)
←
Old Norse
gagn
(derived)
→
English
gain
(cognate)
→
Danish
gavn
(link)
→
Swedish
gagna
(cognate)