Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
barátta
←
Proto-Germanic
*barjaną
(inherited)
←
Old Norse
barátta
(inherited)
←
Old Norse
berja
(mention)
→
Icelandic
frelsisbarátta
(mention)