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