The letters in SUCCESS make 23 words of two letters or more. The longest is SUCCESS at 7 letters, and the highest-scoring is SUCCESS at 11 points.
No other single word uses all 7 letters of SUCCESS. SUCCESS has 7 letters: 2 vowels and 5 consonants, worth 11 points before any board bonuses.
7-letter words 1
6-letter words 2
cusecs10cusses8
5-letter words 1
cusec9
4-letter words 8
cess6cues6cuss6ecus6secs6sues4suss4uses4
3-letter words 7
csc7cue5ecu5ess3sec5sue3use3
2-letter words 4
cs4es2ss2us2
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.