meekness vs subduedness

meekness and subduedness both are nouns.

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

As nouns, meekness and subduedness are synonyms defined as:

meekness and subduedness: a disposition to be patient and long suffering

meekness (noun)	subduedness (noun)
a disposition to be patient and long suffering	the property of lights or sounds that lack brilliance or are reduced in intensity
the feeling of patient, submissive humbleness	a disposition to be patient and long suffering