Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Esperanto ludi
← Latin lūdō (derived)

→ Esperanto ludeco (affix)
→ Esperanto ludejo (affix)
→ Esperanto ludilo (affix)
→ Esperanto pupludisto (compound)
→ Esperanto ludlisto (affix)
→ Esperanto kunludi (prefix)
→ Ido ludar (derived)