Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
fisk
←
Proto-Germanic
*fiskaz
(inherited)
←
Proto-Indo-European
*peysḱ-
(inherited)
←
Old Norse
fiskr
(inherited)
→
Westrobothnian
fiskjälä
(mention)
→
Westrobothnian
fiskj
(mention)