ingenuousness vs candor

ingenuousness and candor both are nouns.

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

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

ingenuousness: openly straightforward or frank
candor: the quality of being honest and straightforward in attitude and speech

Other hypernyms of ingenuousness include candidness, candour, directness, forthrightness, frankness.

ingenuousness (noun)	candor (noun)
openly straightforward or frank	the quality of being honest and straightforward in attitude and speech
the quality of innocent naivete	ability to make judgments free from discrimination or dishonesty