Crossword clues for the word: ZARATHUSTRA The word ZARATHUSTRA has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for ZARATHUSTRA Showing 1 to 2 of 2 results Clue(s) Avestan name for the Persian prophet who founded Zoroastrianism Nietzsche's traveler and speaker