code: public StructuredQueryDefinition word(TextIndex index, FragmentScope scope,
                                          String[] options, double weight, String... words) {
      return new WordQuery(index, scope, options, weight, words);
    }
docs: Matches an element, attribute, JSON property, or field
  that has at least one of the criteria words.
  @param index    the word container
  @param scope    whether the query matches the document content or properties
  @param options    options for fine tuning the query
  @param weight    the multiplier for the match in the document ranking
  @param words    the possible words to match
  @return    the StructuredQueryDefinition for the word query