What It Scores
GIGAS is a valid word in the tournament list this site uses. Tile values only, before any premium square: 7 in Scrabble and 9 in Words With Friends. The letters break down as G2 I1 G2 A1 S1.
Words Made From The Letters In GIGAS
19 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 (4)
3 letter words (9)
2 letter words (6)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.