There are 15 words that start with 'maso'.
| mason | masons |
| masoned | masonic |
| masonry | masoning |
| masonite | masochism |
| masochist | masonites |
| masonries | masochisms |
| masochists | masochistic |
| masochistically | |
Note: These 15 words that start with 'maso' are found from the USA & Canada version of the tournament Scrabble word list.