There are 13 words that end with 'stened'.
| hastened | listened | fastened | 
| chastened | moistened | glistened | 
| christened | refastened | unfastened | 
| remoistened | rechristened | premoistened | 
| unchristened | ||
Note: These 13 words that end with 'stened' are found from the USA & Canada version of the tournament Scrabble word list.