Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
kaupa
←
Icelandic
kaupa af
(link)
←
Icelandic
kaupa inn
(link)
←
Icelandic
kaupa köttinn í sekknum
(link)
←
Icelandic
sýna hvar Davíð keypti ölið
(link)
←
Old Norse
kaupa
(derived)
→
English
cheap
(mention)
→
German
Kauf
(mention)
→
Icelandic
kaup
(mention)
→
Icelandic
ókeypis
(compound)
→
Icelandic
kaupandi
(affix)
→
Icelandic
kaupunautur
(affix)
→
Icelandic
kaupa inn
(mention)
→
Icelandic
kaupa köttinn í sekknum
(mention)
→
Luxembourgish
kafen
(cognate)