Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
sönkj
←
Proto-Germanic
*sankwijaną
(inherited)
←
Old Norse
*sønkja
(inherited)
←
Old Norse
søkkva
(mention)