Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
såd
←
Proto-Germanic
*sudą
(inherited)
←
Westrobothnian
sju
(mention)
←
Westrobothnian
sø
(mention)
←
Old Norse
soð
(inherited)
→
Westrobothnian
sø
(mention)