Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
syde
←
Old Danish
siuthæ
(derived)
←
Old Danish
sythæ
(mention)
←
Old Norse
sjóða
(derived)
→
English
seethe
(cognate)
→
Danish
syd
(link)