Unscrambling CAREFUL gives 92 words. CAREFUL is the longest, and CAREFUL scores the most at 12 points.
No other single word uses all 7 letters of CAREFUL. CAREFUL has 7 letters: 3 vowels and 4 consonants, worth 12 points before any board bonuses.
7-letter words 1
6-letter words 5
carful11earful9fecula11ferula9fulcra11
5-letter words 14
carle7clear7cruel7facer10farce10farle8fecal10feral8feuar8flare8lacer7lucre7ulcer7ureal5
4-letter words 35
acre6alec6alef7cafe9calf9care6carl6caul6clef9clue6cure6curf9curl6earl4ecru6face9fare7farl7feal7fear7flea7flue7frae7fuel7furl7lace6leaf7lear4luce6lure4race6rale4real4rule4urea4
3-letter words 28
ace5ale3arc5are3arf6car5cel5cru5cue5cur5ear3eau3ecu5elf6era3far6fer6feu6flu6fur6lac5lar3lea3leu3lur3rec5ref6rue3
2-letter words 9
ae2al2ar2ef5el2er2fa5la2re2
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.