/ow/ diphthong vowel sound crossword

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Across
  1. 1. To make something known publicly (8)
  2. 4. A long dress for a formal event (4)
  3. 5. To roam stealthily (5)
  4. 6. A deep, threatening sound (5)
  5. 7. Having a lot of volume (4)
Down
  1. 2. A person who provides guidance (11)
  2. 3. A substance made of two or more elements (8)
  3. 5. A farming tool or vehicle (6)