Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Luxembourgish Kapp
German Kopf (cognate)
English cop (cognate)
West Frisian kop (cognate)
Proto-West Germanic *kopp (inherited)
Old High German kopf (inherited)
Dutch kop (cognate)

Hunsrik Kopp (cognate)
Luxembourgish käppen (suffix)
Luxembourgish Kappball (compound)