There are 15 words that start with 'luna'.
| luna | lunar | lunas |
| lunacy | lunars | lunate |
| lunated | lunatic | lunacies |
| lunarian | lunately | lunatics |
| lunation | lunarians | lunations |
Note: These 15 words that start with 'luna' are found from the USA & Canada version of the tournament Scrabble word list.