Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
frægr
→
Faroese
frægur
(derived)
→
Icelandic
frægur
(inherited)
→
Old Norse
Frægr
(mention)