Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
róðr
←
Proto-Germanic
*rōþrą
(inherited)
←
Old Norse
róa
(mention)
→
Faroese
róður
(derived)
→
Icelandic
róður
(derived)