There are 21 words that start with 'rous'.
| rouse | roust | roused |
| rouser | rouses | rousts |
| rousers | rousing | rousted |
| rouster | rousseau | rousters |
| rousting | rousement | rousingly |
| rousseaus | rouseabout | rousements |
| roustabout | rouseabouts | roustabouts |
Note: These 21 words that start with 'rous' are found from the USA & Canada version of the tournament Scrabble word list.