Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
hǫkull
←
Proto-Germanic
*hakulaz
(inherited)
→
Danish
hagel
(inherited)
→
Icelandic
hökull
(derived)
→
Norwegian Nynorsk
hakel
(inherited)