Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
Valhöll
←
Old Norse
Valhǫll
(derived)
←
Old Norse
valr
(mention)
←
Old Norse
hǫll
(mention)