Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
kjalki
→
Westrobothnian
kjalk
(inherited)
→
Old Norse
asnakjalki
(compound)
→
Elfdalian
tjåke
(inherited)