Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
hal
→
Westrobothnian
halslökt
(suffix)
→
Westrobothnian
halmint
(suffix)
→
Old Norse
herða
(link)