noun
BAD : At the weekend they have to do all the household.
GOOD : At the weekend they have to do all the housework.
BAD : Some women get no help with the household work.
GOOD : Some women get no help with the housework.
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household = all the people living together in a house or flat: 'Be quiet or you'll wake the whole household.'
housework = all the jobs that have to be done regularly to keep a house or flat clean and tidy: 'My husband and I share all the housework between us.'