Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
reyðr
←
Old Norse
rauðr
(mention)
→
Faroese
royður
(derived)
→
Icelandic
reyður
(inherited)
→
Norwegian Bokmål
røyr
(derived)
→
Norwegian Bokmål
røye
(derived)
→
Norwegian Nynorsk
røyrkval
(mention)
→
Norwegian Nynorsk
røyrkval
(mention)
→
Norwegian Nynorsk
røyr
(inherited)
→
Norwegian Nynorsk
røye
(derived)
→
Old Norse
reyðarhvalr
(compound)