The letters in EXPENSE make 28 words of two letters or more. The longest is EXPENSE at 7 letters, and the highest-scoring is EXPENSE at 16 points.
No other single word uses all 7 letters of EXPENSE. EXPENSE has 7 letters: 3 vowels and 4 consonants, worth 16 points before any board bonuses.
7-letter words 1
6-letter words 1
pensee8
5-letter words 4
epees7neeps7peens7penes7
4-letter words 9
epee6exes11neep6peen6pees6pens6seen4seep6sene4
3-letter words 7
ens3nee3pee5pen5pes5see3sen3
2-letter words 6
en2es2ex9ne2pe4ps4
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.