def sort_freq(freqdict):
    """
    sort_freq reads word:frequency key:val pairs from dict, and returns a list sorted from
    highest to lowest frequency word
    :param freqdict:
    :return: list named aux
    """
    aux: list = []
    for k, v in freqdict.items():
        aux.append((v, k))
    aux.sort(reverse=True)

    return aux