Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Swedish mörk
English murk (cognate)
Proto-Germanic *merkuz (inherited)
Old Swedish myrker (inherited)
Old Swedish mørker (mention)
Old Norse myrkr (inherited)

English murk (cognate)
Danish mørk (cognate)
Swedish mörka (suffix)
Swedish mörkhyad (compound)
Swedish mörkna (suffix)
Swedish mörkögd junco (affix)