There are 8 words that end with 'bulin'.
| tubulin | globulin | 
| euglobulin | antiglobulin | 
| macroglobulin | lactoglobulin | 
| thyroglobulin | immunoglobulin | 
Note: These 8 words that end with 'bulin' are found from the USA & Canada version of the tournament Scrabble word list.