Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
blettur
←
English
blot
(mention)
←
Old Norse
*blettr
(derived)
→
English
blot
(cognate)
→
Danish
plet
(cognate)
→
Faroese
blettur
(mention)
→
Icelandic
díll
(link)
→
Icelandic
sósublettur
(mention)
→
Icelandic
blettatígur
(compound)