There are 20 words that start with 'hymn'.
| hymn | hymns | hymnal | 
| hymned | hymnals | hymnary | 
| hymning | hymnist | hymnody | 
| hymnbook | hymnists | hymnless | 
| hymnlike | hymnaries | hymnbooks | 
| hymnodies | hymnodist | hymnology | 
| hymnodists | hymnologies | |
Note: These 20 words that start with 'hymn' are found from the USA & Canada version of the tournament Scrabble word list.