Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Russian шесть
Proto-Slavic *šestь (inherited)

Old English siex (cognate)
Persian شش (cognate)
Ido sis (derived)
Northern Kurdish şeş (cognate)
Russian шестикрылый (affix)
Russian шестилетний (affix)
Russian шестигранный (affix)
Russian шестиугольник (affix)
Russian шестипалый (affix)
Russian шестилетие (affix)
Russian шестиструнный (affix)