Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
eyrr
←
Old Norse
aurr
(mention)
→
English
Ayre
(derived)
→
English
ayre
(derived)
→
Danish
ør
(derived)
→
Faroese
oyra
(inherited)
→
Faroese
oyri
(derived)
→
Norwegian Nynorsk
ør
(inherited)
→
Norwegian Nynorsk
øyr
(inherited)