plural form vs bedspring

plural form and bedspring both are nouns.

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

plural form (noun)	bedspring (noun)
the form of a word that is used to denote more than one	(usually in the plural) one of the springs holding up the mattress of a bed