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 cennan
Old English ġecennan (link)
Old English ācennan (link)
Danish kende (cognate)
Danish kjende (mention)
German kennen (cognate)
Proto-Germanic *kannijaną (inherited)
Proto-Germanic *kunnaną (mention)
Proto-Germanic *kanjaną (inherited)
Proto-West Germanic *kannijan (inherited)
Proto-West Germanic *kannjan (inherited)
Old High German chennan (cognate)
Gothic 𐌺𐌰𐌽𐌽𐌾𐌰𐌽 (cognate)
Proto-Indo-European *ǵneh₃- (root)
Proto-Indo-European *ǵenh₁- (root)
Proto-Indo-European *ǵonh₁éyeti (inherited)
Proto-Indo-European *ǵenh₁- (mention)
Dutch kennen (cognate)
Old Norse kenna (cognate)
Old Frisian kenna (cognate)
Old Saxon kennian (cognate)

English ken (inherited)
English ken (inherited)
English aken (mention)
English kenning (inherited)
English kenning (inherited)
Old English cnawan (mention)
Old English gecennan (prefix)
Old English acennan (prefix)
Old English cenning (suffix)
Scots ken (inherited)