Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
koopstad
←
Middle Dutch
coopstat
(inherited)
←
Dutch
kopen
(compound)
←
Dutch
stad
(compound)
→
Danish
købstad
(cognate)