dishwasher vs white goods

dishwasher and white goods both are nouns.

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

As nouns, white goods is a hypernym of dishwasher; that is, white goods is a word with a broader meaning than dishwasher:

dishwasher: a machine for washing dishes
white goods: large electrical home appliances (refrigerators or washing machines etc.) that are typically finished in white enamel

dishwasher (noun)	white goods (noun)
a machine for washing dishes	drygoods for household use that are typically made of white cloth
someone who washes dishes	large electrical home appliances (refrigerators or washing machines etc.) that are typically finished in white enamel