Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
elv
←
Proto-Germanic
*albī
(derived)
←
Norwegian
elv
(borrowed)
←
Old Norse
elfr
(derived)
→
Danish
å
(link)
→
Danish
Elben
(cognate)