There are 14 words that start with 'rattle'.
| rattle | rattled |
| rattler | rattles |
| rattlers | rattlebox |
| rattletrap | rattleboxes |
| rattlebrain | rattlesnake |
| rattletraps | rattlebrains |
| rattlesnakes | rattlebrained |
Note: These 14 words that start with 'rattle' are found from the USA & Canada version of the tournament Scrabble word list.