False goodness can often be described using words like hypocritical, insincere, disingenuous, and phony. These words suggest a person appearing to be morally sound or virtuous, but with hidden motives or intentions. Deceptive, fraudulent, and misleading are other terms that can be used to describe false goodness, as they imply a false impression created through dishonesty or misrepresentation. Dishonorable and unethical are related words that indicate a disregard for moral principles in pursuit of self-interest. Overall, these synonyms highlight the negative aspect of false goodness, and the danger of trusting someone who appears to be good on the surface but hides their true character.