Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
röin
←
Danish
røn
(cognate)
←
Norwegian
rogn
(cognate)
←
Old Norse
reynir
(inherited)
←
Old Norse
rauðr
(mention)