Miscreancies are essentially the actions or behaviors that are considered to be morally unacceptable or illegal. Some of the synonyms that can be used for this word include transgressions, wrongdoings, offenses, misdemeanors, and even delinquencies. These words all imply some sort of violation of rules or laws, and can also be used to refer to unethical behavior. Other synonyms for miscreancies might include errors or mistakes, though these words are more often used in a non-criminal context. Ultimately, there are many different words that can be used to describe acts of misbehavior or criminality, and their usage will depend on the specific circumstances of the situation.