Mono Words

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Across
  1. 2. a speech that every word has one tone of voice
  2. 4. something made from one stone
  3. 5. a fear of being alone
  4. 8. speaking or writing one language
Down
  1. 1. eyeglass for one eye
  2. 2. having only one syllable
  3. 3. a long speech given by a person
  4. 4. a track for a subway or train that has only one rail
  5. 6. having one color or shades of that one color on something
  6. 7. a product or service by one customer