Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
marknaður
→
Danish
marked
(cognate)
→
Westrobothnian
martnä
(mention)
→
Icelandic
markaður
(cognate)
→
Swedish
marknad
(cognate)