Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
musorbjärk
←
Westrobothnian
muso
(compound)
←
Westrobothnian
bjerk
(compound)
←
Icelandic
mösurbjörk
(cognate)
←
Old Norse
*mǫsurbjǫrk
(inherited)
←
Swedish
masurbjörk
(cognate)