principle vs chivalry

principle and chivalry both are nouns.

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

As nouns, chivalry is a hyponym of principle; that is, chivalry is a word with a more specific, narrower meaning than principle:

principle (noun)	chivalry (noun)
a basic truth or law or assumption	courtesy towards women
a rule or standard especially of good behavior	the medieval principles governing knighthood and knightly conduct
(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct
a rule or law concerning a natural phenomenon or the function of a complex system
rule of personal conduct