Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
lakk
←
English
lank
(cognate)
←
English
lack
(cognate)
←
Proto-Germanic
*luką
(inherited)
←
Westrobothnian
ommslakk
(link)
←
Westrobothnian
byittlakk
(link)
←
Old Norse
lok
(inherited)
←
Old Norse
lokka
(inherited)