Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
mörk
→
English
mark
(cognate)
→
Icelandic
eyðimörk
(compound)
→
Icelandic
merkur
(mention)