Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
sjwal
←
Proto-Germanic
*swarduz
(inherited)
←
Old Norse
svǫrðr
(inherited)
→
Icelandic
svörður
(cognate)