Jamaica shorts vs plural

Jamaica shorts and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jamaica shorts	Yes	No	No	No
plural	Yes	Yes	No	No

Jamaica shorts (noun)	plural (noun)
(used in the plural) short pants that end at the knee	the form of a word that is used to denote more than one

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