Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Russian ночь
Proto-Indo-European *nókʷts (inherited)
Old East Slavic ночь (inherited)
Russian нощь (doublet)
Proto-Slavic *noťь (inherited)

English night (cognate)
Old English niht (cognate)
Russian день (link)
Russian полночь (affix)
Russian нощь (doublet)
Russian ночник (affix)
Russian ночной (affix)
Russian ночевать (affix)
Russian ночка (affix)
Russian ночлег (affix)
Russian полночи (prefix)
Russian полночи (mention)
Russian еженощный (affix)
Russian всенощный (affix)
Sanskrit नक्ति (cognate)