The letters in QUITTING make 31 words of two letters or more. The longest is QUITTING at 8 letters, and the highest-scoring is QUITTING at 18 points.
No other single word uses all 8 letters of QUITTING. QUITTING has 8 letters: 3 vowels and 5 consonants, worth 18 points before any board bonuses.
8-letter words 1
6-letter words 2
gittin7intuit6
5-letter words 1
quint14
4-letter words 8
inti4quin13quit13ting5tint4titi4tung5unit4
3-letter words 12
gin4git4gnu4gut4nit3nut3tin3tug4tui3tun3tut3uni3
2-letter words 7
in2it2nu2qi11ti2un2ut2
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.