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

German Knoblauch (mention)
German Knauf (cognate)
German Knüppel (mention)
German aufknöpfen (confix)
German Knubbel (mention)
German Knopfzelle (compound)
German Knopp (mention)
German Knopfloch (affix)
German Spätzle (mention)
German knöpfen (suffix)
German Türknopf (affix)
German Druckknopf (affix)
German Hemdknopf (affix)
German Knopfdruck (compound)
Alemannic German Chnopf (cognate)
Luxembourgish Knapp (cognate)
Dutch knop (cognate)
Dutch knobbel (mention)
Russian кнопка (borrowed)