Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *gen-

English knock (derived)
English knulla (derived(en/sv))
English knell (derived)
English nep (derived)
Old Church Slavonic гнести (mention)
Icelandic hnoða (mention)
Latvian kuņģis (mention)
Russian гнести (mention)
Sanskrit कन्द (derived)
Albanian ngjesh (mention)