Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
hefð
←
Danish
hævd
(cognate)
←
Faroese
hevd
(cognate)
←
Old Norse
hefð
(inherited)
←
Old Norse
hafa
(mention)