plural vs soap flakes

plural and soap flakes both are nouns.

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

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

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