There are 15 words that start with 'rocke'.
| rocked | rocker | rocket | 
| rockers | rockery | rockets | 
| rocketed | rocketer | rocketry | 
| rockeries | rocketeer | rocketers | 
| rocketing | rocketeers | rocketries | 
Note: These 15 words that start with 'rocke' are found from the USA & Canada version of the tournament Scrabble word list.