Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
aur
←
Proto-Germanic
*auraz
(inherited)
←
Icelandic
margur verður af aurum api
(link)
←
Icelandic
eyrir
(link)
←
Old Norse
aurr
(inherited)
←
Old Norse
eyrir
(derived)
→
Icelandic
margur verður af aurum api
(mention)