{{alias}}()
    Returns a list of negative opinion words.

    A word's appearance in a sentence does *not* necessarily imply a positive or
    negative opinion.

    The list includes misspelled words. Their presence is intentional, as such
    misspellings frequently occur in social media content.

    Returns
    -------
    out: Array<string>
        List of negative opinion words.

    Examples
    --------
    > var list = {{alias}}()
    [ '2-faced', '2-faces', 'abnormal', 'abolish', ... ]

    References
    ----------
    - Hu, Minqing, and Bing Liu. 2004. "Mining and Summarizing Customer
    Reviews." In *Proceedings of the Tenth Acm Sigkdd International Conference
    on Knowledge Discovery and Data Mining*, 168–77. KDD '04. New York, NY, USA:
    ACM. doi:10.1145/1014052.1014073.
    - Liu, Bing, Minqing Hu, and Junsheng Cheng. 2005. "Opinion Observer:
    Analyzing and Comparing Opinions on the Web." In *Proceedings of the 14th
    International Conference on World Wide Web*, 342–51. WWW '05. New York, NY,
    USA: ACM. doi:10.1145/1060745.1060797.

    * If you use the list for publication or third party consumption, please
    cite one of the listed references.

    See Also
    --------