laundry vs washing

laundry and washing both are nouns.

Word	Noun	Adjective	Verb	Adverb
laundry	Yes	No	No	No
washing	Yes	No	No	No

As nouns, laundry and washing are synonyms defined as:

laundry and washing: garments or white goods that can be cleaned by laundering

Other synonyms of laundry include wash, washables.

laundry (noun)	washing (noun)
workplace where clothes are washed and ironed	the work of cleansing (usually with soap and water)
garments or white goods that can be cleaned by laundering	garments or white goods that can be cleaned by laundering