Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian
Fridtjof
←
Danish
Frithjof
(cognate)
←
Old Norse
Friðþjófr
(derived)
←
Swedish
Fritiof
(cognate)
→
Danish
Frithjof
(cognate)
→
Swedish
Fritiof
(cognate)