What It Scores
SIGH is a valid word in the tournament list this site uses. Tile values only, before any premium square: 8 in Scrabble and 9 in Words With Friends. The letters break down as S1 I1 G2 H4.
Anagrams of SIGH (1)
Same letters, different order. Any of these plays the same tiles for the same score.
Words Made From The Letters In SIGH
9 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 (4)
2 letter words (5)
Longer Words Containing SIGH
SIGH 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.