Crossword clues for the word: SIGMAS The word SIGMAS has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for SIGMAS Showing 1 to 9 of 9 results Clue(s) "Odysseus trio, to Homer" E-shaped letters Fractions of a second Greek letters Rhos' followers Sibilants for Socrates Summation signs Symbols in calculus They follow rhos