plural vs topside

plural and topside both are nouns.

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

plural (noun)	topside (noun)
the form of a word that is used to denote more than one	(usually plural) weather deck; the part of a ship's hull that is above the waterline

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