The ways of enriching vocabulary of the English language

123456789
Across
  1. 3. : The study of word origins.
  2. 4. :  Shortening a longer word (e.g., "ad" from "advertisement").
  3. 7. :  Changing a word's grammatical category without changing its form.
  4. 8. :  Forming new words by adding prefixes or suffixes.
  5. 9. :  Mixing parts of two words (e.g., "smog" from "smoke" + "fog").
Down
  1. 1. :  Enriching vocabulary by creating or using synonyms.
  2. 2. :  Combining two words to make a new one.
  3. 5. : A newly created word or expression.
  4. 6. :  English word taken from another language.
  5. 7. :  The invention of completely new words.