Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
dúkur
←
Danish
dug
(cognate)
←
Proto-Germanic
*dōkaz
(inherited)
←
Norwegian Nynorsk
duk
(cognate)
←
Old Norse
dúkr
(inherited)
←
Swedish
duk
(cognate)
→
English
duck
(cognate)
→
Icelandic
flaggdúkur
(affix)
→
Icelandic
dúkönd
(compound)
→
Icelandic
dúkahnífur
(affix)