There are 17 words that start with 'moss'.
| moss | mosso | mossy |
| mossed | mosser | mosses |
| mossers | mossier | mossing |
| mossback | mossiest | mosslike |
| mossbacks | mossgrown | mossiness |
| mossbacked | mossinesses | |
Note: These 17 words that start with 'moss' are found from the USA & Canada version of the tournament Scrabble word list.