Pistareen is an old-fashioned term that refers to a small coin, particularly of Spanish and Portuguese origin. Synonyms for Pistareen include coin, cent, penny, dime, and so on. Other synonyms that may be more suitable in certain contexts include token, scrip, or voucher. In a broader sense, synonyms for Pistareen can be words that describe something that is of little or no value, such as trifle, bauble, or gewgaw. Whatever word is chosen, it's important to remember that synonyms for Pistareen should be used appropriately in context, to maintain the integrity of the written or spoken piece.