Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
skjäär
←
English
scare
(cognate)
←
Scanian
skjarra
(cognate)
←
Norwegian
skjærre
(cognate)
←
Old Norse
skirra
(inherited)
←
Old Norse
skjarr
(mention)