There are 8 words that start with 'hypoph'.
| hypophyses | hypophysis | 
| hypopharynx | hypophyseal | 
| hypophysial | hypopharynges | 
| hypopharynxes | hypophysectomy | 
Note: These 8 words that start with 'hypoph' are found from the USA & Canada version of the tournament Scrabble word list.