There are 13 words that end with 'otein'.
| protein | nonprotein |
| hemoprotein | lipoprotein |
| mucoprotein | fetoprotein |
| glycoprotein | flavoprotein |
| chromoprotein | nucleoprotein |
| scleroprotein | apolipoprotein |
| phosphoprotein | |
Note: These 13 words that end with 'otein' are found from the USA & Canada version of the tournament Scrabble word list.