There are 12 words that start with 'supert'.
| supertax | superthin |
| supertaxes | superthick |
| supertight | supertonic |
| supertanker | supertonics |
| supertankers | superterrific |
| superthriller | superthrillers |
Note: These 12 words that start with 'supert' are found from the USA & Canada version of the tournament Scrabble word list.