Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
barnabǫrn
←
Old Norse
barn
(affix)
←
Old Norse
bǫrn
(affix)
→
Norwegian Bokmål
barnebarn
(derived)
→
Norwegian Nynorsk
barnebarn
(derived)