Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Polish skupić
Polish skupisko (link)
Polish s- (affix)
Polish kupić (affix)
Proto-Slavic *sъkupiti (inherited)

Polish skup (link)
Polish skupina (suffix)
Polish Skupny (mention)
Polish skupisko (affix)
Polish skupienie (suffix)
Polish skupiać (suffix)