There are 13 words that start with 'toas'.
| toast | toasts |
| toasty | toasted |
| toaster | toasters |
| toastier | toasting |
| toastiest | toastmaster |
| toastmasters | toastmistress |
| toastmistresses | |
Note: These 13 words that start with 'toas' are found from the USA & Canada version of the tournament Scrabble word list.