There are 24 words that start with 'had'.
| had | hade | hadj |
| hadal | haded | hades |
| hadji | hadst | hading |
| hadith | hadjee | hadjes |
| hadjis | hadron | hadarim |
| haddest | haddock | hadiths |
| hadjees | hadrons | haddocks |
| hadronic | hadrosaur | hadrosaurs |
Note: These 24 words that start with 'had' are found from the USA & Canada version of the tournament Scrabble word list.