Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Esperanto pra-
← Polish pra- (derived)
← Russian пра- (derived)

→ Esperanto praavino (affix)
→ Esperanto praavo (affix)
→ Esperanto pranepo (affix)
→ Esperanto prahistorio (affix)
→ Esperanto prageonklo (compound)
→ Esperanto praa (affix)
→ Esperanto pralingvo (affix)
→ Esperanto pratipo (affix)