There are 17 words that start with 'dith'.
| dither | dithers | 
| dithery | dithiol | 
| ditheism | ditheist | 
| dithered | ditherer | 
| ditheisms | ditheists | 
| ditherers | dithering | 
| dithyramb | dithyrambs | 
| dithyrambic | dithiocarbamate | 
| dithyrambically | |
Note: These 17 words that start with 'dith' are found from the USA & Canada version of the tournament Scrabble word list.