There are 19 words that start with 'diaz'.
| diazo | diazin |
| diazine | diazins |
| diazole | diazepam |
| diazines | diazinon |
| diazoles | diazepams |
| diazinons | diazonium |
| diazotize | diazoniums |
| diazotized | diazotizes |
| diazotizing | diazotization |
| diazotizations | |
Note: These 19 words that start with 'diaz' are found from the USA & Canada version of the tournament Scrabble word list.