Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
bakk
←
Proto-Germanic
*bankô
(inherited)
←
Old Norse
bakka
(inherited)
←
Old Norse
bakkann
(mention)
←
Old Norse
bakki
(mention)
→
Westrobothnian
gravabakk
(compound)