There are 11 words that start with 'sextu'.
| sextuple | sextuply |
| sextupled | sextuples |
| sextuplet | sextuplets |
| sextupling | sextuplicate |
| sextuplicated | sextuplicates |
| sextuplicating | |
Note: These 11 words that start with 'sextu' are found from the USA & Canada version of the tournament Scrabble word list.