Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
til søs
←
Danish
til
(mention)
←
Danish
sø
(mention)
←
Old Danish
til syøs
(inherited)
←
Norwegian Bokmål
til sjøs
(cognate)
←
Swedish
till sjöss
(cognate)