There are 13 words that end with 'asons'.
| masons | seasons | reasons |
| weasons | treasons | diapasons |
| reseasons | unreasons | freemasons |
| outreasons | preseasons | postseasons |
| stonemasons | ||
Note: These 13 words that end with 'asons' are found from the USA & Canada version of the tournament Scrabble word list.