Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swedish
Bertil
←
German
Berthold
(mention)
→
Danish
Bertel
(cognate)
→
Danish
Berthel
(cognate)
→
Finnish
Perttu
(derived)