Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Russian меркнуть
Proto-Indo-European *merHk- (root)
Old East Slavic мьркнути (inherited)
Russian морок (mention)
Russian мрак (mention)
Russian мерца́ть (mention)
Proto-Slavic *mь̀rknǫti (inherited)