Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Danish
ænkia
←
Proto-Germanic
*ainakjǭ
(inherited)
←
Old Norse
ekkja
(cognate)
→
Danish
enke
(derived)
→
Norwegian Bokmål
enke
(derived)