There are 12 words that start with 'hexo'.
| hexone | hexose |
| hexones | hexosan |
| hexoses | hexosans |
| hexokinase | hexokinases |
| hexobarbital | hexobarbitals |
| hexosaminidase | hexosaminidases |
Note: These 12 words that start with 'hexo' are found from the USA & Canada version of the tournament Scrabble word list.