Unscrambling FAILING gives 56 words. FAILING is the longest, and FAILING scores the most at 11 points.
No other single word uses all 7 letters of FAILING. FAILING has 7 letters: 3 vowels and 4 consonants, worth 11 points before any board bonuses.
7-letter words 1
6-letter words 4
5-letter words 8
algin6align6fagin9final8fling9liang6ligan6linga6
4-letter words 18
agin5alif7anil4fail7fain7fang8fila7flag8flan7gain5glia5ilia4inia4lain4lang5ling5naif7nail4
3-letter words 14
ail3ain3ani3fan6fig7fil6fin6gal4gan4gin4lag4lin3nag4nil3
2-letter words 11
ag3ai2al2an2fa5if5in2la2li2ln2na2
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.