Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
napur
←
Icelandic
nepja
(mention)
←
Old Norse
napr
(derived)
←
Old Norse
nepja
(mention)
←
Old Norse
apr
(mention)
←
Old Norse
nöp
(mention)
→
Icelandic
nepja
(mention)
→
Icelandic
næpa
(mention)
→
Old Norse
nepja
(mention)