white goods vs washing

white goods and washing both are nouns.

Word	Noun	Adjective	Verb	Adverb
white goods	Yes	No	No	No
washing	Yes	No	No	No

As nouns, washing is a hyponym of white goods; that is, washing is a word with a more specific, narrower meaning than white goods:

white goods: drygoods for household use that are typically made of white cloth
washing: garments or white goods that can be cleaned by laundering

Other hyponyms of white goods include ironing, laundry, wash, washables, linen.

white goods (noun)	washing (noun)
drygoods for household use that are typically made of white cloth	the work of cleansing (usually with soap and water)
large electrical home appliances (refrigerators or washing machines etc.) that are typically finished in white enamel	garments or white goods that can be cleaned by laundering