def get_most_distinct_words(vocab, topic_word_distrib, doc_topic_distrib, doc_lengths, n=None):
    """
    Order the words from `vocab` by "distinctiveness score" (Chuang et al. 2012) from most to least distinctive.
    Optionally only return the `n` most distinctive words.

    J. Chuang, C. Manning, J. Heer 2012: "Termite: Visualization Techniques for Assessing Textual Topic Models"
    """
    return _words_by_distinctiveness_score(vocab, topic_word_distrib, doc_topic_distrib, doc_lengths, n)