Morals define personal character, while ethics stress a social system in which those morals are applied.

Morality = religious Ethics = secular

Both words refer to standards of acceptable behaviour. "Moral/ity" comes from Latin (mos, plural mores: customs); ethics/ethical comes from Greek ("ethos", with about the same meaning). However, they now mean slightly different things. To the extent that religions, especially the Catholic Church, have attributed to themselves the exclusive right to tell their followers what is good and bad, the Latin-based word "morality" Roman catholics used has acquired the meaning of "set of precepts dictated and interpreted by the religious (or political) authority to regulate behaviour", and derivatively that of an individual's behaviour as compared with such standards. However, most of the essential research and best reflection on what is good and bad for humanity has been done by secular philosophers like Plato, Aristotle, Buddha, etc. So the Greek word "ethics" preserves the idea of free, unprejudiced "philosophical" and "rational" study of what is good and bad for Man independently of what the various organized religions (the Catholic Church, Islam, etc.) or religious states may say. Ethics is subject to rational scrutiny, but not to what the religious "authorities" (the Pope, the bishops, the imans, the priests...) may prefer or try to justify as the "only" possible way to behave decently in this world. Also, "ethics" typically deals with the really deep issues, whereas "morality" includes low-level precepts that churches, etc. impose without much foundation.

Belong to two different concepts. But the two are interrelated. Moral character is the problem, and ethics are used to the traditional understanding of research ethics. Is one of moral standards. Moral self-cultivation is a Ethics is a secular Tsunatsune