soap flakes vs plural

soap flakes and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
soap flakes	Yes	No	No	No
plural	Yes	Yes	No	No

soap flakes (noun)	plural (noun)
soap that has been cut into flakes to make suds faster	the form of a word that is used to denote more than one

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