laundering vs washing

laundering and washing both are nouns.

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

As nouns, washing is a hypernym of laundering; that is, washing is a word with a broader meaning than laundering:

Other hypernyms of laundering include lavation, wash.

laundering (noun)	washing (noun)
washing clothes and bed linens	the work of cleansing (usually with soap and water)
	garments or white goods that can be cleaned by laundering