Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English twentig
Proto-Germanic *twaintigaz (inherited)
Proto-Germanic *twai tigiwiz (mention)
Old High German zweinzug (cognate)
Old Norse tuttugu (cognate)
Old Saxon twentig (cognate)

Old High German zweinzug (mention)
Old Norse tuttugu (cognate)