IPA: /ˈhaʊsˌhʌzbənd/
KK: /ˈhaʊsˌhʌzbənd/
A married man who takes care of the home and family while his wife earns the money.
He decided to become a househusband to support his wife's career.
Househusband is formed from "house" (from Old English *hus*, meaning a dwelling or shelter) and "husband" (from Old English *husbonda*, meaning master of the house or household). The term refers to a man who manages the household and takes on domestic responsibilities, traditionally associated with women.
Think of a 'house' as a place where someone lives and 'husband' as the master of that home. A househusband is a man who takes care of the home.
No commonly confused words.