conclusion vs principle

conclusion

noun
  • In an argument or syllogism, the proposition that follows as a necessary consequence of the premises. 

  • The end or close of a pleading, for example, the formal ending of an indictment, "against the peace", etc. 

  • The outcome or result of a process or act. 

  • A decision reached after careful thought. 

  • An estoppel or bar by which a person is held to a particular position. 

  • The end, finish, close or last part of something. 

principle

noun
  • A fundamental assumption or guiding belief. 

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

  • Moral rule or aspect. 

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 conclusion and principle occurred in a corpus of books? (source: Google Ngram Viewer )