Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old Saxon dad
Old English dǣd (cognate)
German Tat (cognate)
Proto-West Germanic *dādi (inherited)
Old High German tāt (cognate)
Proto-Indo-European *dʰeh₁- (root)
Dutch daad (cognate)

Old Saxon gidad (prefix)
Old Saxon baludad (prefix)