Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
røyrkval
←
Danish
rørhval
(cognate)
←
Old Norse
reyðarhvalr
(derived)
←
Old Norse
reyðr
(mention)
←
Old Norse
hvalr
(mention)
←
Old Norse
reyðr
(mention)
←
Old Norse
rauðr
(mention)