principle vs law

principle and law both are nouns.

Word	Noun	Adjective	Verb	Adverb
principle	Yes	No	No	No
law	Yes	No	No	No

As nouns, law is a hypernym of principle; that is, law is a word with a broader meaning than principle:

principle: a basic truth or law or assumption
law: a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society

Other hypernyms of principle include natural law.

As nouns, law is a hypernym of principle; that is, law is a word with a broader meaning than principle:

principle: a rule or law concerning a natural phenomenon or the function of a complex system
law: a generalization that describes recurring facts or events in nature

Other hypernyms of principle include law of nature.

principle (noun)	law (noun)
a basic truth or law or assumption	the learned profession that is mastered by graduate study in a law school and that is responsible for the judicial system
a rule or standard especially of good behavior	a rule or body of rules of conduct inherent in human nature and essential to or binding upon human society
(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)	a generalization that describes recurring facts or events in nature
a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct	the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do
a rule or law concerning a natural phenomenon or the function of a complex system	legal document setting forth rules governing a particular kind of activity
rule of personal conduct	the collection of rules imposed by authority
	the force of policemen and officers