What It Scores
BIACH is a valid word in the tournament list this site uses. Tile values only, before any premium square: 12 in Scrabble and 14 in Words With Friends. The letters break down as B3 I1 A1 C3 H4.
Words Made From The Letters In BIACH
22 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 (5)
3 letter words (9)
2 letter words (8)
Longer Words Containing BIACH
BIACH 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.