Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Swedish gen-
Danish gen- (cognate)
German gegen (cognate)
English again (cognate)
Proto-Germanic *gagin (derived)
Old Swedish gen (derived)
Norwegian Bokmål gjen- (cognate)
Old Norse gegn (mention)
Swedish igen (mention)

Swedish genmäle (affix)
Swedish gendriva (affix)
Swedish gengångare (affix)
Swedish gengäld (affix)
Swedish genljuda (affix)
Swedish gensaga (affix)
Swedish genkäromål (affix)
Swedish genmäla (affix)