principle vs product

principle

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

  • 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. 

  • 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. 

product

noun
  • Anything that is produced; a result. 

  • Illegal drugs, especially cocaine, when viewed as a commodity. 

  • Any operation or a result thereof which generalises multiplication of numbers, like the multiplicative operation in a ring, product of types or a categorical product. 

  • A commodity offered for sale. 

  • Any tangible or intangible good or service that is a result of a process and that is intended for delivery to a customer or end user. 

  • A quantity obtained by multiplication of two or more numbers. 

  • A chemical substance formed as a result of a chemical reaction. 

  • The amount of an artifact that has been created by someone or some process. 

  • Any preparation to be applied to the hair, skin, nails, etc. 

  • A consequence of someone's efforts or of a particular set of circumstances. 

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