Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Icelandic svefn
Proto-Germanic *swefnaz (inherited)
Proto-Indo-European *swep- (root)
Proto-Indo-European *swépnos (inherited)
Proto-Indo-European *swep- (mention)
Old Norse svefn (inherited)

English sweven (cognate)
English swevening (cognate)
Icelandic svefnherbergi (mention)
Icelandic svefnpurka (mention)
Icelandic svefnpoki (mention)
Icelandic svefnleysi (affix)
Icelandic svefnfriður (compound)