4TH

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Across
  1. 1. A DULL SOUND
  2. 2. GOES AGAINST; INTERFERES WITH
  3. 4. A THING THAT REQUIRES SKILL OR THOUGHT
  4. 5. TAKE PART OF OR IN
  5. 8. MOVED IN A GROUP
Down
  1. 1. MADE A PLEASANT REPETITIVE HIGH PICTCHED SOUND
  2. 3. DIVE, SINK, RAPIDLY DROP QUICKLY
  3. 6. ACHIEVE; SUCCEED
  4. 7. AN OBJECT THAT FLOATS ON THE SURFACE OF WATER