Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
tjuä
←
Proto-Germanic
*twai tigiwiz
(inherited)
←
Old Norse
tjogu
(inherited)
←
Old Norse
tuttugu
(mention)