What It Scores
HELPFUL is a valid word in the tournament list this site uses. Tile values only, before any premium square: 15 in Scrabble and 17 in Words With Friends. The letters break down as H4 E1 L1 P3 F4 U1 L1.
At seven letters this plays a whole rack, which is a bingo and worth 65 in Scrabble once the 50 point bonus lands.
Words Made From The Letters In HELPFUL
36 shorter words come out of these tiles. On a board that matters more than the long play, because a short word on a premium square often beats a long one on plain squares.
4 letter words (12)
3 letter words (16)
2 letter words (8)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.