Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
hill
←
Icelandic
hilla
(cognate)
←
Swedish
hylla
(cognate)
→
Westrobothnian
tragahill
(compound)