There are 12 words that start with 'hyperr'.
| hyperreactor | hyperrealism |
| hyperrealist | hyperrational |
| hyperreactive | hyperreactors |
| hyperrealisms | hyperromantic |
| hyperrealistic | hyperromantics |
| hyperreactivity | hyperresponsive |
Note: These 12 words that start with 'hyperr' are found from the USA & Canada version of the tournament Scrabble word list.