Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
bljúgur
←
Proto-Germanic
*bleugaz
(inherited)
←
Old Norse
*bljúgr
(inherited)
→
Danish
bly
(cognate)
→
Swedish
blyg
(cognate)