There are 12 words that end with 'brain'.
| brain | midbrain | endbrain | 
| birdbrain | hindbrain | forebrain | 
| lamebrain | crackbrain | rattlebrain | 
| betweenbrain | featherbrain | scatterbrain | 
Note: These 12 words that end with 'brain' are found from the USA & Canada version of the tournament Scrabble word list.