What It Scores
BIRKS is a valid word in the tournament list this site uses. Tile values only, before any premium square: 11 in Scrabble and 12 in Words With Friends. The letters break down as B3 I1 R1 K5 S1.
Anagrams of BIRKS (2)
Same letters, different order. Any of these plays the same tiles for the same score.
Words Made From The Letters In BIRKS
23 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 (9)
3 letter words (10)
2 letter words (4)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.