There are 13 words that start with 'vati'.
| vatic | vatical | 
| vaticide | vaticides | 
| vaticinal | vaticinate | 
| vaticinated | vaticinates | 
| vaticinator | vaticinating | 
| vaticination | vaticinators | 
| vaticinations | |
Note: These 13 words that start with 'vati' are found from the USA & Canada version of the tournament Scrabble word list.