There are 6 15-letter words that start with 'prem'.
| premanufactured | premanufactures |
| prematurenesses | premillenarians |
| premillennially | premodification |
Note: These 6 15-letter words that start with 'prem' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with preme, premi, premo, prema, premu, premy.
6-letter words start with 'prem' (5)