Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
oyra
←
Faroese
oyri
(link)
←
Proto-Germanic
*ausô
(inherited)
←
Proto-Indo-European
*h₂ous-
(derived)
←
Latin
aureus
(derived)
←
Old Norse
eyra
(inherited)
←
Old Norse
eyrir
(inherited)
←
Old Norse
eyrr
(inherited)
→
Faroese
gjaldoyra
(compound)
→
Faroese
oyrnalækni
(compound)