dex and xed tie for the highest Scrabble score from dex at 11 points. The top 5 of 5 words are shown here, with the full list organized by length below.
There are 2 three-letter words hiding in dex: one comes from rearranging its letters, and dex itself is already a playable word with no unscrambling required. No common everyday answer stands out among these three-letter results, so let the score decide: the highest-scoring words are dex and xed, each worth 11 points in Scrabble.
The words below are listed alphabetically. Scores count playable tiles only and leave out premium-square bonuses.
There are 3 two-letter words that can be made by unscrambling the letters in dex. Here the everyday answer and the top-scoring play are one and the same: ex, worth 9 points in Scrabble.
The full list follows, sorted A to Z; every score reflects tile constraints and skips board bonuses.
Swap a single tile in dex and you get a different three-letter rack with its own word list. None of these appear in the results above — they share 2 of the 3 letters, not all of them.
dex is in the NWL, the official Scrabble word list for North America, and in the Words With Friends dictionary, so it's playable exactly as it stands and needs no unscrambling.
Both totals match, because every tile in dex carries the same value on a Scrabble board and on a Words With Friends board.
dex is one of two three-letter words the same letters produce. No arrangement of the same tiles scores higher in Scrabble, so playing dex unchanged also takes the maximum points these letters offer.
The highest-scoring plays from these letters are dex and xed, worth 11 points in Scrabble, and nothing else built from dex earns more points in Scrabble. Words With Friends prices the same letters differently, so the top of the list changes on a Words With Friends board. Both scores count tile values only and exclude premium squares.
The letters in dex produce 5 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 2 three-letter words and 3 two-letter words.