Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Esperanto ilo
German -el (derived)
German Schlüssel (mention)
Esperanto -ilo (back-formation)

Esperanto aviadilo (suffix)
Esperanto ilujo (affix)
Esperanto hakilo (suffix)
Esperanto ilaro (affix)
Esperanto sen-ila (affix)
Esperanto raspilo (suffix)
Esperanto adiciilo (suffix)
Esperanto striglilo (suffix)
Esperanto sarkilo (suffix)
Esperanto pikfosilo (suffix)
Esperanto ŝpinilo (suffix)