There are 13 words that start with 'postul'.
| postulant | postulate |
| postulancy | postulants |
| postulated | postulates |
| postulator | postulating |
| postulation | postulators |
| postulancies | postulations |
| postulational | |
Note: These 13 words that start with 'postul' are found from the USA & Canada version of the tournament Scrabble word list.