subduedness vs humbleness

subduedness and humbleness both are nouns.

Word	Noun	Adjective	Verb	Adverb
subduedness	Yes	No	No	No
humbleness	Yes	No	No	No

As nouns, humbleness is a hypernym of subduedness; that is, humbleness is a word with a broader meaning than subduedness:

Other hypernyms of subduedness include humility.

subduedness (noun)	humbleness (noun)
the property of lights or sounds that lack brilliance or are reduced in intensity	a disposition to be humble; a lack of false pride
a disposition to be patient and long suffering	a humble feeling
	the state of being humble and unimportant