There are 20 words that end with 'fast'.
| fast | bedfast | outfast |
| sunfast | handfast | holdfast |
| makefast | overfast | stedfast |
| breakfast | colorfast | lightfast |
| shamefast | soothfast | standfast |
| steadfast | superfast | ultrafast |
| noncolorfast | prebreakfast | |
Note: These 20 words that end with 'fast' are found from the USA & Canada version of the tournament Scrabble word list.