quality vs attribute

quality and attribute both are nouns.

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

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

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

quality: a characteristic property that defines the apparent individual nature of something
attribute: a construct whereby objects or individuals can be distinguished

Other hypernyms of quality include dimension, property.

quality (noun)	attribute (noun)
an essential and distinguishing attribute of something or someone	an abstraction belonging to or characteristic of an entity
(music) the distinctive property of a complex sound (a voice or noise or musical sound)	a construct whereby objects or individuals can be distinguished
a degree or grade of excellence or worth
a characteristic property that defines the apparent individual nature of something
high social status

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

quality (verb)	attribute (verb)
	attribute or credit to
	decide as to where something belongs in a scheme