Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Sanskrit द्वय
Ancient Greek δοιός (cognate)
Proto-Indo-Iranian *dwayHás (inherited)
Proto-Indo-Aryan *dwayHás (inherited)
Proto-Indo-European *dwoyHós (inherited)
Lithuanian dvejì (cognate)