Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
þetta
→
Danish
denne
(inherited)
→
Norwegian Bokmål
dette
(derived)
→
Norwegian Nynorsk
dette
(derived)
→
Norwegian Nynorsk
detta
(inherited)