Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
stein-
←
Danish
sten-
(cognate)
←
German
stein-
(cognate)
←
Icelandic
steinn
(mention)
←
Icelandic
steinn
(mention)
←
Icelandic
óður
(mention)
→
Danish
sten-
(cognate)
→
German
stein-
(cognate)