plural vs calisthenics

plural and calisthenics both are nouns.

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

plural (noun)	calisthenics (noun)
the form of a word that is used to denote more than one	the practice of calisthenic exercises
	light exercises designed to promote general fitness

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