There are 14 words that start with 'reav'.
| reave | reaved | reaver | 
| reaves | reavow | reavail | 
| reavers | reaving | reavows | 
| reavails | reavowed | reavailed | 
| reavowing | reavailing | |
Note: These 14 words that start with 'reav' are found from the USA & Canada version of the tournament Scrabble word list.