Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
sjóða
←
Proto-Germanic
*seuþaną
(inherited)
←
Old Norse
sjóða
(inherited)
→
English
seethe
(cognate)
→
Icelandic
seyði
(mention)
→
Icelandic
soð
(mention)