There are 22 words that start with 'agon'.
| agon | agone |
| agons | agony |
| agonal | agones |
| agonic | agonies |
| agonise | agonist |
| agonize | agonised |
| agonises | agonists |
| agonized | agonizes |
| agonising | agonistes |
| agonistic | agonizing |
| agonizingly | agonistically |
Note: These 22 words that start with 'agon' are found from the USA & Canada version of the tournament Scrabble word list.