There are 10 13-letter words that start with 'prem'.
| prematureness | prematurities |
| premeditating | premeditation |
| premeditative | premeditators |
| premenopausal | premillennial |
| premoistening | premonitorily |
Note: These 10 13-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)