There are 16 words that start with 'incis'.
| incise | incisal |
| incised | incises |
| incisor | incising |
| incision | incisive |
| incisors | incisory |
| incisure | incisions |
| incisures | incisively |
| incisiveness | incisivenesses |
Note: These 16 words that start with 'incis' are found from the USA & Canada version of the tournament Scrabble word list.