There are 10 words that start with 'redoub'.
| redoubt | redouble | redoubts |
| redoubled | redoubler | redoubles |
| redoublers | redoubling | redoubtable |
| redoubtably | ||
Note: These 10 words that start with 'redoub' are found from the USA & Canada version of the tournament Scrabble word list.