What It Scores
ZYZZYVA is a valid word in the tournament list this site uses. Tile values only, before any premium square: 43 in Scrabble and 43 in Words With Friends. The letters break down as Z10 Y4 Z10 Z10 Y4 V4 A1.
At seven letters this plays a whole rack, which is a bingo and worth 93 in Scrabble once the 50 point bonus lands.
Words Made From The Letters In ZYZZYVA
5 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 (2)
2 letter words (3)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.