Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Icelandic sund
Proto-Germanic *sundą (inherited)
Proto-Indo-European *swem- (inherited)
Old Norse sund (inherited)

English sound (cognate)
Icelandic sundlaug (compound)
Icelandic eiði (link)
Icelandic Ermarsund (mention)
Icelandic sundhöll (mention)
Icelandic bringusund (compound)
Icelandic sundgleraugu (compound)
Icelandic sundþjálfari (compound)
Icelandic sundmaður (affix)
Icelandic sundkona (affix)
Icelandic sundföt (affix)