Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
søt
←
Proto-Germanic
*swōtuz
(inherited)
←
Proto-Indo-European
*sweh₂dus
(inherited)
←
Old Norse
sœtr
(inherited)
→
Westrobothnian
syt
(mention)
→
Westrobothnian
hällsøt
(compound)
→
Westrobothnian
söttmän
(mention)