Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
mæðgur
←
Old Norse
mæðgur
(inherited)
←
Old Norse
mœðgur
(mention)
←
Old Norse
mœðgin
(cognate)
←
Old Norse
feðgin
(cognate)