Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
ró
←
Old Norse
ró
(derived)
→
Faroese
óró
(affix)
→
Faroese
rógv
(mention)