House trailer and Mobile home

House trailer noun - A wheeled vehicle that can be pulled by a car or truck and is equipped for occupancy.

Mobile home and house trailer are semantically related in wheeled vehicle for living topic. In some cases you can use "Mobile home" instead a noun phrase "House trailer".

Mobile home noun - A large house trailer that can be connected to utilities and can be parked in one place and used as permanent housing.

House trailer and mobile home are semantically related in motor home topic. You can use "House trailer" instead a noun phrase "Mobile home".