There are 9 words that start with 'steat'.
| steatite | steatites | steatitic | 
| steatopygia | steatopygic | steatorrhea | 
| steatopygias | steatopygous | steatorrheas | 
Note: These 9 words that start with 'steat' are found from the USA & Canada version of the tournament Scrabble word list.