jammies vs plural form

jammies and plural form both are nouns.

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

jammies (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