Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*duhti
→
Danish
dygtig
(mention)
→
German
Unducht
(derived)
→
Luxembourgish
Dugend
(cognate)
→
Swedish
duktig
(mention)