There are 9 15-letter words that start with 'phe'.
| phenobarbitones | phenolphthalein | 
| phenomenalistic | phenomenologies | 
| phenomenologist | phenylbutazones | 
| phenylketonuria | phenylketonuric | 
| phenylthioureas | |
Note: These 9 15-letter words that start with 'phe' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with phen, phel, pher, phea, phew.
4-letter words start with 'phe' (1)