There are 15 words that start with 'adre'.
| adrenal | adrenals |
| adrenalin | adrenally |
| adrenaline | adrenalins |
| adrenergic | adrenalines |
| adrenalized | adrenochrome |
| adrenalectomy | adrenochromes |
| adrenergically | adrenocortical |
| adrenalectomies | |
Note: These 15 words that start with 'adre' are found from the USA & Canada version of the tournament Scrabble word list.