Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
räkstér
←
French
rester
(derived)
←
Westrobothnian
räkst
(suffix)
←
Westrobothnian
ér
(suffix)