Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Germanic *klappōną

English clap (inherited)
Old English clipian (cognate)
Old English clipian (mention)
Danish klappe (inherited)
German klappen (derived)
Middle Dutch clappen (inherited)
Middle English clappen (inherited)
Icelandic klappa (inherited)
Dutch klappen (inherited)
Swedish klappa (inherited)