Usually, feminine nouns are derived from epicene (genderless) roots via the suffix "-ino". Some words that are normatively epicene can have an informal feminine ending with '-a'. Many of the words are not clearly either masculine or epicene today. Esperanto does, however, have an epicene prefix that indicates "both sexes together"&colon; "ge-". Both plays also reveal the influence of Ben Jonson's "Epicene" (1609). Various epicene affixes have also been proposed. She made her debut in the title role of Jonson's "Epicene" on 1 June 1664. The judge sentenced him to prison due to his epicene appearance.