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

English hat (derived)
English heed (derived)
English hood (derived)
Welsh cadw (inherited)
German Hut (derived)
Persian خود (derived)
Irish hata (derived)
Latin cassis (derived)
Latin cudo (derived)
Ossetian худ (inherited)
Swedish hatt (derived)
Yiddish הוט (derived)