Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Swedish bäck
Proto-Germanic *bakiz (inherited)
Old Swedish bækker (inherited)
Proto-Indo-European *bʰog- (derived)
Old Norse bekkr (inherited)

English beach (cognate)
English beck (cognate)
English Backstrom (mention)
English Backlund (mention)
Plautdietsch Bach (cognate)
Swedish å (mention)
Swedish å (link)
Swedish Bäckström (compound)