Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
hav
←
Proto-Germanic
*habą
(inherited)
←
Proto-Indo-European
*keh₂p-
(inherited)
←
Old Norse
haf
(inherited)
→
Westrobothnian
havstödø
(compound)
→
Westrobothnian
havgas
(compound)