Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
snákr
→
Old English
snaca
(cognate)
→
Danish
snog
(mention)
→
Icelandic
snákur
(mention)
→
Swedish
snok
(mention)