Synonyms for the word "PLAST S AFR" do not exist, as it seems to be an incomplete or abbreviated phrase. It is important to note that using acronyms or incomplete terms may lead to ambiguity or confusion when searching for alternative words. To find accurate synonyms, it is essential to provide the full and correct term. Nonetheless, if you provide a more complete phrase, I would be more than happy to assist you in finding synonyms or suitable alternatives.