No the word broken is not a noun at all.
The word broken is both a verb and an adjective.
The noun safe is singular; safes is the plural noun."None of the safes were broken into."
The plural form of the noun 'cooker' is cookers.
The plural form of the noun blister is blisters.The plural possessive form is blisters'.Example: Do not use the medication if any of the blisters' seals are broken.
Equipment is a singular mass noun, it has no plural form, e.g.: The equipment is broken.
The plural noun is halves.
The plural noun for path is paths. The plural noun for patch is patches.
The plural noun of general is generals. Generals is a regular plural noun.
No, Mice is a plural noun. Mouse is the singular noun.
It is a plural noun.
No, it is a possessive noun. Mothers is a plural noun.
The plural form for the noun lady is ladies.
The plural form of the noun newspaper newspapers.