Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
reiður
←
Proto-Germanic
*wraiþaz
(inherited)
←
Old Norse
reiðr
(inherited)
←
Old Norse
vreiðr
(mention)
→
Danish
rede
(cognate)
→
Swedish
redo
(cognate)