Unscrambling DIRECTLY gives 142 words. DIRECTLY is the longest, and DIRECTLY scores the most at 14 points.
No other single word uses all 8 letters of DIRECTLY. DIRECTLY has 8 letters: 2 vowels and 6 consonants, worth 14 points before any board bonuses.
8-letter words 1
7-letter words 1
tiredly11
6-letter words 10
5-letter words 34
cider8cited8citer7cried8cyder11decry11deity9dicer8dicey11dicty11dirty9drily9edict8idler6liter5litre5lyric10lytic10recti7redly9relic7relit5riced8riled6riley8telic7tilde6tiled6tiler5tired6trice7tried6tyred9yield9
4-letter words 49
cedi7ceil6celt6cire6cite6city9cred7deil5deli5dice7diel5diet5dire5dirl5dirt5dite5dyer8edit5etic6iced7idle5idly8idyl8ired5lice6lied5lier4lire4lite4lyre7rely7rice6ride5riel4rile4rite4tide5tidy8tied5tier4tile4tire4tirl4trey7tyer7tyre7yeld8yeti7yird8
3-letter words 36
cel5cry8del4dey7die4dit4dry7dye7eld4ert3ice5icy8ire3led4lei3let3ley6lid4lie3lit3lye6rec5red4rei3ret3rid4rye6ted4tel3tic5tie3til3try6tye6yer6yet6
2-letter words 11
de3ed3el2er2et2id3it2li2re2ti2ye5
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.