There are 12 words that end with 'osters'.
| costers | fosters |
| posters | rosters |
| zosters | boosters |
| roosters | imposters |
| defrosters | composters |
| paternosters | snollygosters |
Note: These 12 words that end with 'osters' are found from the USA & Canada version of the tournament Scrabble word list.