There are 13 words that start with 'stretc'.
| stretch | stretchy | 
| stretched | stretcher | 
| stretches | stretchers | 
| stretchier | stretching | 
| stretchable | stretchered | 
| stretchiest | stretchering | 
| stretchability | |
Note: These 13 words that start with 'stretc' are found from the USA & Canada version of the tournament Scrabble word list.