There are 21 7-letter words that start with 'sle'.
| sleaved | sleaves | sleazes | sledded | 
| sledder | sledged | sledges | sleeked | 
| sleeken | sleeker | sleekit | sleekly | 
| sleeper | sleeted | sleeved | sleeves | 
| sleighs | sleight | slender | sleuths | 
| slewing | |||
Note: These 21 7-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)