What It Scores
DYARCHY is a valid word in the tournament list this site uses. Tile values only, before any premium square: 19 in Scrabble and 20 in Words With Friends. The letters break down as D2 Y4 A1 R1 C3 H4 Y4.
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 DYARCHY
52 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.
5 letter words (7)
4 letter words (14)
3 letter words (23)
2 letter words (8)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.