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 gegn
German gegen (cognate)
Proto-Germanic *gagin (inherited)
Old High German gagan (cognate)
Old Norse gegn (cognate)
Old Saxon gigin (cognate)
Swedish igen (cognate)

Old English gegncwide (prefix)
Jamtish igjann (cognate)
Norwegian Bokmål igjen (cognate)
Old Saxon gegin (cognate)