plural form vs pedal pushers

plural form and pedal pushers both are nouns.

Word	Noun	Adjective	Verb	Adverb
plural form	Yes	No	No	No
pedal pushers	Yes	No	No	No

plural form (noun)	pedal pushers (noun)
the form of a word that is used to denote more than one	(used in the plural) snug trousers ending at the calves; worn by women and girls