Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
når
←
Danish
nær
(cognate)
←
Danish
hvornår
(derived)
←
Proto-Germanic
*nēhwōz
(derived)
←
Proto-Germanic
*nēhwiz
(derived)
←
Old Danish
nār
(inherited)
←
Old Norse
nær
(inherited)
←
Swedish
när
(mention)
→
Danish
at
(link)