Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
røye
←
Proto-Indo-European
*h₁rewdʰ-
(root)
←
Old Norse
reyðr
(derived)
→
Norwegian Nynorsk
røyr
(link)
→
Norwegian Nynorsk
sjørøye
(compound)