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 *dʰers-

English dare (root)
English dare (mention)
English θαρσέω (root(en/grc))
Old English durran (root)
German thüren (root)
German thüren (mention)
Middle Dutch dorren (root)
Estonian tohtima (derived)
Ancient Greek θράσος (derived)
Ancient Greek θάρσος (derived)
Latin infestus (derived)
Latin manifestus (derived)
Latin mustela (link)
Latvian drošs (derived)
Latvian drīkstēt (mention)
Low German dören (root)
Dutch durven (root)
Old Saxon durran (root)
Sanskrit धृष्णोति (mention)
Albanian nder (mention)