chains vs plural

chains and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
chains	Yes	No	No	No
plural	Yes	Yes	No	No

chains (noun)	plural (noun)
metal shackles; for hands or legs	the form of a word that is used to denote more than one

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