Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Esperanto ludo
← Latin lūdus (borrowed)

→ Esperanto tabulludo (compound)
→ Esperanto ludisto (affix)
→ Esperanto ludoteorio (affix)
→ Esperanto komputilludo (compound)
→ Esperanto kartludo (affix)
→ Esperanto rolludo (compound)