Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
vehall
←
Norwegian
medhald
(cognate)
←
Swedish
medhåll
(cognate)
→
Westrobothnian
wä
(link)