There are 17 words that start with 'vomi'.
| vomit | vomica | vomito | 
| vomits | vomicae | vomited | 
| vomiter | vomitos | vomitus | 
| vomiters | vomiting | vomitive | 
| vomitory | vomitous | vomitives | 
| vomituses | vomitories | |
Note: These 17 words that start with 'vomi' are found from the USA & Canada version of the tournament Scrabble word list.