pajama vs plural form

pajama and plural form both are nouns.

Word	Noun	Adjective	Verb	Adverb
pajama	Yes	No	No	No
plural form	Yes	No	No	No

pajama (noun)	plural form (noun)
(usually plural) loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers	the form of a word that is used to denote more than one
a pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries