Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
eigin
←
Proto-Germanic
*aigin
(inherited)
←
Proto-Indo-European
*h₂eyḱ-
(root)
→
Old Norse
igða
(mention)