General:
* Houseboat: A boat designed for living on.
* Housefly: A common fly found around houses.
* Houseplant: A plant kept indoors.
* Housewarming: A party held to celebrate moving into a new home.
* Housekeeper: A person employed to clean and maintain a house.
* Housebroken: Trained to use a bathroom or toilet indoors.
* Household: The people living in a house.
* Housesitter: A person who cares for a house while the owners are away.
* Houseguest: A person staying in someone's house as a guest.
* Housewares: Items used in the home, like furniture, appliances, and utensils.
More specific:
* Greenhouse: A structure with glass walls used for growing plants.
* Horsehouse: A building where horses are kept.
* Doghouse: A small shelter for a dog.
* Playhouse: A small structure designed for children to play in.
* Birdhouse: A small structure built for birds to nest in.
* Clubhouse: A small building used by a club or organization.
* Townhouse: A house that shares one or more walls with adjacent houses.
* Guest house: A separate building on a property for guests.
* Row house: A house built as part of a continuous row of houses.
Let me know if you'd like to see more examples or want compound words with a different starting word!