There are 19 words that end with 'tras'.
| extras | sutras | tetras |
| ultras | contras | mantras |
| ristras | osetras | tantras |
| yantras | olestras | ossetras |
| calyptras | dicentras | kalyptras |
| palestras | palaestras | orchestras |
| aspidistras | ||
Note: These 19 words that end with 'tras' are found from the USA & Canada version of the tournament Scrabble word list.