What It Scores
DUCES is a valid word in the tournament list this site uses. Tile values only, before any premium square: 8 in Scrabble and 10 in Words With Friends. The letters break down as D2 U1 C3 E1 S1.
Words Made From The Letters In DUCES
25 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 (10)
3 letter words (11)
2 letter words (4)
Longer Words Containing DUCES
DUCES 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.