suffixes

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Across
  1. 3. more firm than another
  2. 5. the most short
  3. 6. one who paints
  4. 9. not weak
  5. 12. having no purpose
  6. 13. looking guilty
Down
  1. 1. the best
  2. 2. without sleep
  3. 4. slow and slimy
  4. 7. the most loud
  5. 8. less humble than another
  6. 10. a mix of yellow and blue
  7. 11. only thinking of oneself