- aphthous16
- boathouse15
- boathouses16
- cathouse14
- cathouses15
- courthouse17
- courthouses18
- guesthouse16
- guesthouses17
- hothouse13
- hothouses14
- lighthouse18
- lighthouses19
- nuthouse13
- nuthouses14
- oasthouse12
- oasthouses13
- outhouse12
- outhouses13
- penthouse16
- penthouses17
- pesthouse15
- pesthouses16
- pilothouse17
- pilothouses18
- pothouse14
- pothouses15
- prognathous20
- thous8
- thousand13
- thousandfold22
- thousands14
- thousandth17
- thousandths18
- xanthous19