candor vs honesty

candor and honesty both are nouns.

Word	Noun	Adjective	Verb	Adverb
candor	Yes	No	No	No
honesty	Yes	No	No	No

As nouns, honesty is a hypernym of candor; that is, honesty is a word with a broader meaning than candor:

candor: the quality of being honest and straightforward in attitude and speech
honesty: the quality of being honest

Other hypernyms of candor include honestness.

candor (noun)	honesty (noun)
the quality of being honest and straightforward in attitude and speech	the quality of being honest
ability to make judgments free from discrimination or dishonesty	southeastern European plant cultivated for its fragrant purplish flowers and round flat papery silver-white seedpods that are used for indoor decoration