There are 15 words that start with 'helle'.
| helled | heller | 
| helleri | hellers | 
| hellery | helleris | 
| hellebore | hellenize | 
| helleries | hellebores | 
| hellenized | hellenizes | 
| hellenizing | hellenization | 
| hellenizations | |
Note: These 15 words that start with 'helle' are found from the USA & Canada version of the tournament Scrabble word list.