There are 12 words that start with 'simon'.
| simony | simoniac | simonies | 
| simonist | simonize | simoniacs | 
| simonists | simonized | simonizes | 
| simoniacal | simonizing | simoniacally | 
Note: These 12 words that start with 'simon' are found from the USA & Canada version of the tournament Scrabble word list.