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