Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
plog
←
Proto-Germanic
*plōgaz
(inherited)
←
Proto-Germanic
*plōguz
(mention)
←
Old Norse
plógr
(inherited)