What It Scores
EXUVIUM is a valid word in the tournament list this site uses. Tile values only, before any premium square: 19 in Scrabble and 21 in Words With Friends. The letters break down as E1 X8 U1 V4 I1 U1 M3.
At seven letters this plays a whole rack, which is a bingo and worth 69 in Scrabble once the 50 point bonus lands.
Words Made From The Letters In EXUVIUM
17 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 (9)
2 letter words (8)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.