Word Building - verbs, nouns and adjectives

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Across
  1. 3. the joining together of two or more companies or organisations into one larger one
  2. 7. makes or is likely to make money
  3. 8. to do what you tried or wanted to do
  4. 9. an increase in amount, number or size
Down
  1. 1. a lack of success in achieving or doing something
  2. 2. the process of gradually becoming bigger, better, stronger or more advanced
  3. 4. to become larger in size, number, amount or to make something become larger
  4. 5. to obtain something by buying it or being given it
  5. 6. involving a possibility that something bad will happen