There are 13 words that start with 'disru'.
| disrupt | disrupts | 
| disrupted | disrupter | 
| disruptor | disrupters | 
| disrupting | disruption | 
| disruptive | disruptors | 
| disruptions | disruptively | 
| disruptiveness | |
Note: These 13 words that start with 'disru' are found from the USA & Canada version of the tournament Scrabble word list.