There are 13 words that end with 'stals'.
| instals | postals |
| vestals | borstals |
| crystals | pedestals |
| subcostals | semipostals |
| monocrystals | intercostals |
| polycrystals | microcrystals |
| quasicrystals | |
Note: These 13 words that end with 'stals' are found from the USA & Canada version of the tournament Scrabble word list.