Is washes is common noun

Answer 1

The word washed is not a noun. The word washed is the past participle, past tense of the verb to wash. The past participle of the verb is also an adjective, a word to describe a noun. Examples:

Verb: I washed the laundry.

Adjective: I'm putting the washed clothes into the dryer.

The noun forms for the verb to wash are washer and the gerund, washing; both common nouns.

The word wash is a noun form, a common noun; a word for something waiting to be washed, being washed, having been washed; a word for the water or air disturbed by a moving boat or aircraft; a word for a layer of paint or metal spread thinly on a surface.