Crossword about language

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Across
  1. 1. a section of linguistics that studies speech sounds and the sound structure of a language
  2. 2. formed by the human pronouncing apparatus for the purpose of language communication
  3. 4. a set of words that a person can use
  4. 5. is the set of structural rules governing the composition of clauses, phrases and words in a natural language
Down
  1. 1. features of articulation of speech sounds in each specific language
  2. 3. set of words of a particular language, part of a language