Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Polish starożytny
Belarusian старажы́тны (cognate)
Polish staro- (affix)
Polish życie (affix)
Polish -ny (affix)

Belarusian старажытны (cognate)
Polish starożytność (affix)