What It Scores
KAKS is a valid word in the tournament list this site uses. Tile values only, before any premium square: 12 in Scrabble and 12 in Words With Friends. The letters break down as K5 A1 K5 S1.
Words Made From The Letters In KAKS
6 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 (2)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.