What It Scores
YELP is a valid word in the tournament list this site uses. Tile values only, before any premium square: 9 in Scrabble, 10 in Words With Friends, 10 in Wordfeud. The letters break down as Y4 E1 L1 P3.
Words Made From The Letters In YELP
10 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.
3 letter words (7)
2 letter words (3)
Longer Words Containing YELP
YELP appears inside each of these, which is what makes it worth knowing as a hook.
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.