Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Hunsrik Knopp
Proto-Germanic *knuppô (inherited)
Proto-Germanic *knappô (mention)
Proto-Germanic *knappa- (mention)
Proto-West Germanic *knappō (mention)
Old High German knopf (inherited)
Luxembourgish Knapp (cognate)

German Knopf (cognate)