Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*mirkwijaz
→
Old Swedish
myrker
(inherited)
→
Scanian
mørker
(mention)
→
Norwegian Bokmål
mørk
(derived)
→
Norwegian Nynorsk
mørk
(derived)