There are 15 words that start with 'assis'.
| assist | assists |
| assisted | assister |
| assistor | assistant |
| assisters | assisting |
| assistive | assistors |
| assistance | assistants |
| assistances | assistantship |
| assistantships | |
Note: These 15 words that start with 'assis' are found from the USA & Canada version of the tournament Scrabble word list.