Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Danish lyn
Danish lys (mention)
Proto-Germanic *leuhsaz (derived)
Old Norse lyn (inherited)

English lown (cognate)
Danish lynhurtig (prefix)
Danish lyne (mention)
Faroese logn (cognate)
Icelandic logn (cognate)
Icelandic lón (cognate)
Icelandic lygn (cognate)
Old Norse logn (cognate)