plural vs street clothes

plural and street clothes both are nouns.

Word	Noun	Adjective	Verb	Adverb
plural	Yes	Yes	No	No
street clothes	Yes	No	No	No

plural (noun)	street clothes (noun)
the form of a word that is used to denote more than one	ordinary clothing suitable for public appearances (as opposed to costumes or sports apparel or work clothes etc.)

plural (adjective)	street clothes (adjective)
grammatical number category referring to two or more items or units
composed of more than one member, set, or kind