Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Polish uniknąć
Polish u- (affix)
Polish niknąć (affix)

Belarusian унікнуць (cognate)
Polish unikać (suffix)
Polish nieunikniony (affix)
Ukrainian уникнути (cognate)