Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Swedish
fors
←
Proto-Germanic
*fursaz
(inherited)
←
Old Norse
fors
(inherited)
→
Norwegian Bokmål
Helsingfors
(derived)
→
Swedish
fors
(inherited)