There are 66 words hidden in the letters of HEAVILY, from 14 two-letter words up to HEAVILY (7 letters). For points, HEAVILY is best at 16.
No other single word uses all 7 letters of HEAVILY. HEAVILY has 7 letters: 3 vowels and 4 consonants, worth 16 points before any board bonuses.
7-letter words 1
5-letter words 5
alive8halve11heavy14leavy11vealy11
4-letter words 24
elhi7evil7hail7hale7have10heal7heil7hila7hive10hiya10hyla10ilea4lave7leva7levy10live7vail7vale7veal7veil7vela7vial7vile7yeah10
3-letter words 22
ail3ale3ave6aye6hae6hay9hey9hie6ivy9lav6lay6lea3lei3lev6ley6lie3lye6via6vie6yah9yea6yeh9
2-letter words 14
ae2ah5ai2al2ay5eh5el2ha5he5hi5la2li2ya5ye5
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.