There are 11 words that end with 'psins'.
| opsins | pepsins |
| erepsins | trypsins |
| iodopsins | steapsins |
| amylopsins | cathepsins |
| rhodopsins | chymotrypsins |
| porphyropsins | |
Note: These 11 words that end with 'psins' are found from the USA & Canada version of the tournament Scrabble word list.