Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
þynna
→
Westrobothnian
töönn
(inherited)
→
Westrobothnian
tönnes
(inherited)
→
Norwegian Bokmål
tynne
(derived)