Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
tjeka
←
Danish
kiæge
(cognate)
←
Proto-Germanic
*kekô
(inherited)
←
Norwegian
kjake
(cognate)
←
Swedish
käke
(cognate)