def METHOD_NAME(self):
    """Add a new word to the word list."""
    word = self.newEntry.text().strip()
    if word == "":
        SHARED.error(self.tr("Cannot add a blank word."))
        return
    if self.listBox.findItems(word, Qt.MatchExactly):
        SHARED.error(self.tr(
            "The word '{0}' is already in the word list."
        ).format(word))
        return
    self.listBox.addItem(word)
    self.newEntry.setText("")
    return