There are 15 words that start with 'dehy'.
| dehydrate | dehydrated |
| dehydrates | dehydrator |
| dehydrating | dehydration |
| dehydrators | dehydrations |
| dehydrogenase | dehydrogenate |
| dehydrogenases | dehydrogenated |
| dehydrogenates | dehydrogenating |
| dehydrogenation | |
Note: These 15 words that start with 'dehy' are found from the USA & Canada version of the tournament Scrabble word list.