Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Danish dygtig
Danish du (cognate)
German tüchtig (cognate)
German Tucht (cognate)
English doughty (cognate)
Proto-Germanic *duganą (derived)
Middle Low German duchtig (borrowed)
Proto-West Germanic *duhtīg (derived)
Proto-West Germanic *duhti (mention)
Dutch duchtig (cognate)
Old Saxon *duhtig (derived)

English doughty (cognate)
Danish leveringsdygtig (suffix)
Danish -dygtig (mention)
Danish knalddygtig (affix)
Danish dygtighed (suffix)
German tüchtig (cognate)
Dutch duchtig (cognate)