Moral precept is a term used to describe a set of principles or beliefs that guide an individual's behavior. The two crossword solutions for this term are ETHIC and TENET, both of which have five letters. ETHIC refers to a system of moral principles or values that govern the conduct of an individual or group, while TENET is a principle, belief, or doctrine that is accepted as true and serves as the foundation of a system of thought or behavior.