Unscrambling HEALTH gives 48 words. HEALTH is the longest, and HEALTH scores the most at 12 points.
No other single word uses all 6 letters of HEALTH. HEALTH has 6 letters: 2 vowels and 4 consonants, worth 12 points before any board bonuses.
6-letter words 1
5-letter words 2
heath11lathe8
4-letter words 16
eath7haet7hale7halt7hate7hath10heal7heat7heth10late4lath7tael4tale4teal4tela4thae7
3-letter words 18
ale3alt3ate3eat3eta3eth6hae6hah9hat6heh9het6lat3lea3let3tae3tea3tel3the6
2-letter words 11
ae2ah5al2at2eh5el2et2ha5he5la2ta2
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.