Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
heiður
←
Proto-Germanic
*haiduz
(inherited)
←
Proto-Germanic
*haidaz
(inherited)
←
Proto-Germanic
*haidraz
(mention)
←
Old Norse
heiðr
(inherited)
←
Old Norse
heiðr
(inherited)
→
English
heathen
(cognate)
→
Old Norse
heiðr
(link)