Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
nåt
←
Proto-Germanic
*nahts
(inherited)
←
Old Norse
nátt
(inherited)
←
Old Norse
nǫ́tt
(mention)
←
Old Norse
nótt
(mention)
→
Westrobothnian
måått
(mention)