Solve the puzzle using the clues given

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Across
  1. 2. an uncountable noun,the main ingredient to make a pizza
  2. 4. collective noun for keys
  3. 5. synonym for friend
  4. 7. collective noun for ships
Down
  1. 1. collective noun for singers
  2. 3. an uncountable noun, a staple food item
  3. 6. singular countable noun,keeps the doctor away
  4. 8. antonym for buddy