There are 19 9-letter words that start with 'house'.
| houseboat | houseboys | housecarl | 
| housecoat | housefuls | household | 
| housekeep | housekept | houseleek | 
| houseless | houseling | houselled | 
| housemaid | housemate | houseroom | 
| housesits | housetops | housewife | 
| housework | ||
Note: These 19 9-letter words that start with 'house' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with houseb, housel, housew, housem, housec, housef, housep, housek, househ, houses, houser, housed, houseg, houset.
6-letter words start with 'house' (4)