Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
tjwött
←
Proto-Germanic
*þwahtuz
(inherited)
←
Old Norse
*þvǫttr
(inherited)
←
Old Norse
þvǫ́ttr
(mention)
→
Westrobothnian
tjwöött
(mention)