There are 15 6-letter words that start with 'sle'.
| sleave | sleaze | sleazo | sleazy | sledge | 
| sleeks | sleeky | sleeps | sleepy | sleets | 
| sleety | sleeve | sleigh | sleuth | slewed | 
Note: These 15 6-letter words that start with 'sle' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with slee, slea, sled, slen, slei, sleu, slew, slep.
4-letter words start with 'sle' (2)