simpleness vs quality

simpleness and quality both are nouns.

Word	Noun	Adjective	Verb	Adverb
simpleness	Yes	No	No	No
quality	Yes	Yes	No	No

As nouns, quality is a hypernym of simpleness; that is, quality is a word with a broader meaning than simpleness:

As nouns, quality is a hypernym of simpleness; that is, quality is a word with a broader meaning than simpleness:

simpleness (noun)	quality (noun)
the quality of being simple or uncompounded	an essential and distinguishing attribute of something or someone
lack of ornamentation	(music) the distinctive property of a complex sound (a voice or noise or musical sound)
freedom from difficulty or hardship or effort	a degree or grade of excellence or worth
a lack of penetration or subtlety	a characteristic property that defines the apparent individual nature of something
	high social status

simpleness (adjective)	quality (adjective)
	of superior grade
	of high social status