There are 10 words that start with 'diapho'.
| diaphone | diaphony | diaphones |
| diaphonies | diaphorase | diaphorases |
| diaphoreses | diaphoresis | diaphoretic |
| diaphoretics | ||
Note: These 10 words that start with 'diapho' are found from the USA & Canada version of the tournament Scrabble word list.