Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Polish tknąć
Polish tkwić (doublet)
Proto-Slavic *tъknǫti (inherited)

Polish tykać (suffix)
Polish dotknąć (affix)
Polish spotkać (link)
Polish wstecz (prefix)
Polish potknąć (affix)
Polish przytknąć (affix)
Polish spotykać (link)
Polish tkwić (doublet)
Polish zetknąć (affix)