There are 10 words that start with 'disori'.
| disorient | disorients | 
| disoriented | disorientate | 
| disorienting | disorientated | 
| disorientates | disorientating | 
| disorientation | disorientations | 
Note: These 10 words that start with 'disori' are found from the USA & Canada version of the tournament Scrabble word list.