def METHOD_NAME(self, lang):
    # Dictionaries
    for d in self.father.ToolsListDir("dictionaries/{0}".format(lang)):
        if d[-1] == "~": continue
        if d[:4] != "Dico": continue
        self.DictKnownWords += self.father.ToolsReadList("dictionaries/{0}/{1}".format(lang, d))
    # Corrections
    for d in self.father.ToolsListDir("dictionaries/{0}".format(lang)):
        if d[-1] == "~": continue
        if d[:4] != "Corr": continue
        self.DictCorrections.update(self.father.ToolsReadDict("dictionaries/{0}/{1}".format(lang, d), ":"))
    # Common words
    self.DictCommonWords += [x for x in self.father.ToolsReadList("dictionaries/{0}/ResultCommonWords".format(lang)) if x in self.DictKnownWords]