Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
sanddru
←
Old Danish
sanddrug
(inherited)
←
Old Danish
sannendrygh
(mention)
←
Old Norse
sannr
(derived)
←
Old Norse
drjúgr
(mention)