Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
da
←
Westrobothnian
daan
(mention)
←
Westrobothnian
döij
(mention)
←
Old Norse
*dái
(inherited)
←
Old Norse
akrdái
(mention)
←
Old Norse
á
(mention)
→
Westrobothnian
daan
(mention)
→
Westrobothnian
döij
(mention)