Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
Halldór
←
Old Norse
Halldórr
(derived)
→
Icelandic
Unndór
(blend)
→
Icelandic
Halldórsdóttir
(compound)