Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Esperanto krono
German Krone (borrowed)
English crown (borrowed)

Esperanto kronjuvelo (affix)
Esperanto kroni (affix)
Esperanto kronado (affix)
Esperanto kronviruso (compound)
Esperanto Krono (back-formation)