parental quality vs quality

parental quality and quality both are nouns.

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

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

parental quality (noun)	quality (noun)
a quality appropriate to a parent	an essential and distinguishing attribute of something or someone
	(music) the distinctive property of a complex sound (a voice or noise or musical sound)
	a degree or grade of excellence or worth
	a characteristic property that defines the apparent individual nature of something
	high social status

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