The letters in EXCLUDED make 57 words of two letters or more. The longest is EXCLUDED at 8 letters, and the highest-scoring is EXCLUDED at 19 points.
No other single word uses all 8 letters of EXCLUDED. EXCLUDED has 8 letters: 3 vowels and 5 consonants, worth 19 points before any board bonuses.
8-letter words 1
7-letter words 1
6-letter words 9
5-letter words 9
ceded9clued8culex14deled7deuce8educe8elude6excel14exude13
4-letter words 13
cede7clue6cued7deed6dele5duce7dude6duel5exec13leud5luce6lude5luxe11
3-letter words 18
cee5cel5cud6cue5dee4del4dex11dud5due4dux11ecu5eel3eld4led4lee3leu3lex10lux10
2-letter words 6
de3ed3el2ex9lx9xu9
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.