There are 14 words that start with 'eras'.
| eras | erase | 
| erased | eraser | 
| erases | erasers | 
| erasing | erasion | 
| erasure | erasable | 
| erasions | erasures | 
| erasability | erasabilities | 
Note: These 14 words that start with 'eras' are found from the USA & Canada version of the tournament Scrabble word list.