Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
eider
←
Icelandic
æðar
(derived)
←
Icelandic
æðr
(mention)
←
Swedish
eider
(derived)
←
Swedish
ejder
(mention)
→
English
eiderdown
(compound)
→
English
eiderduck
(compound)
→
Irish
éadar
(borrowed)