Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Icelandic vika
Proto-Germanic *wikǭ (derived)
Proto-Indo-European *weyg- (derived)
Old Norse vika (derived)

English week (cognate)
Cimbrian boch (cognate)
Finnish viikko (cognate)
Icelandic miðvikudagur (mention)
Icelandic páskavika (compound)
Icelandic dymbilvika (compound)
Icelandic dymbildagavika (compound)
Icelandic vikudagur (compound)
Icelandic vikulegur (suffix)
Icelandic vinnuvika (affix)