There are 13 words that start with 'recto'.
| recto | rector | rectos | 
| rectors | rectory | rectocele | 
| rectorate | rectorial | rectories | 
| rectoceles | rectorates | rectorship | 
| rectorships | ||
Note: These 13 words that start with 'recto' are found from the USA & Canada version of the tournament Scrabble word list.