Crossword clues for the word: MUSTARDSEED The word MUSTARDSEED has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for MUSTARDSEED Showing 1 to 6 of 6 results Clue(s) """Midsummer Night's Dream"" fairy." "Kingdom of heaven comparison, in the New Testament" Certain condiment's origin One of the fairies in William Shakespeare play A Midsummer Night's Dream Origin of a certain condiment Subject of well-known parable.