Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
tåmasfinger
←
Old Norse
þumalsfingr
(inherited)
←
Old Norse
þumall
(derived)
←
Old Norse
þumals
(mention)