Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
ostödu
←
Westrobothnian
o
(prefix)
←
Old Norse
stǫðugr
(inherited)
←
Old Norse
staðr
(mention)