There are 15 words that start with 'barrel'.
| barrel | barrels | barreled |
| barrelage | barrelful | barreling |
| barrelled | barrelages | barrelfuls |
| barrelhead | barrelling | barrelsful |
| barrelheads | barrelhouse | barrelhouses |
Note: These 15 words that start with 'barrel' are found from the USA & Canada version of the tournament Scrabble word list.