morality vs principle

morality

noun
  • A morality play. 

  • A set of personal guiding principles for conduct or a general notion of how to behave, whether respectable or not. 

  • A set of social rules, customs, traditions, beliefs, or practices which specify proper, acceptable forms of conduct. 

  • A particular theory concerning the grounds and nature of rightness, wrongness, good, and evil. 

  • Moral philosophy, the branch of philosophy which studies the grounds and nature of rightness, wrongness, good, and evil. 

  • Recognition of the distinction between good and evil or between right and wrong; respect for and obedience to the rules of right conduct; the mental disposition or characteristic of behaving in a manner intended to produce morally good results. 

principle

noun
  • Moral rule or aspect. 

  • A fundamental essence, particularly one producing a given quality. 

  • A rule used to choose among solutions to a problem. 

  • A rule or law of nature, or the basic idea on how the laws of nature are applied. 

  • Bernoulli's Principle 

  • An original faculty or endowment. 

  • A fundamental assumption or guiding belief. 

  • A source, or origin; that from which anything proceeds; fundamental substance or energy; primordial substance; ultimate element, or cause. 

verb
  • To equip with principles; to establish, or fix, in certain principles; to impress with any tenet or rule of conduct. 

How often have the words morality and principle occurred in a corpus of books? (source: Google Ngram Viewer )