Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Elfdalian
wikå
←
Proto-Germanic
*wikǭ
(inherited)
←
Westrobothnian
viku
(cognate)
←
Gutnish
vike
(cognate)
←
Jamtish
vuku
(cognate)
←
Scanian
uga
(cognate)
←
Old Norse
vika
(inherited)
←
Swedish
vecka
(cognate)