What It Scores
RIVAL is a valid word in the tournament list this site uses. Tile values only, before any premium square: 8 in Scrabble and 8 in Words With Friends. The letters break down as R1 I1 V4 A1 L1.
Anagrams of RIVAL (1)
Same letters, different order. Any of these plays the same tiles for the same score.
Words Made From The Letters In RIVAL
28 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 (14)
3 letter words (9)
2 letter words (5)
Longer Words Containing RIVAL
RIVAL 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.