How many words can you make from DEIRSSST?

116 in the Tournament dictionary, ranging from 2 to 8 letters. That count covers words using some of the letters as well as all of them.

Is there a word that uses all of DEIRSSST?

Yes — 2 words use all 8 letters. They are in the 8-letter group at the top of the list.

DISSERTS, worth 9 points in Scrabble. Scores here count tile values only, with no board bonuses.

116 words can be made from these letters, the best being DISSERTS at 9 points.

Feed DEIRSSST to the solver and 116 words come back. They are set out below by length, with the highest scoring first inside each group.

From 2 letters to 8: the 4-letter band is the densest with 36 words, and the 8-letter band the scarcest with 2.

The highest-scoring answer is DISSERTS at 9 points in Scrabble. It tops both tables: 9 in Words With Friends as well.

At 8 letters, DISSERTS and DISTRESS are as long as this set goes.

Use the solver above to vary this rack: swap a letter, add a blank, or filter by what the word has to start with.

How many words can you make from DEIRSSST?: 116 in the Tournament dictionary, ranging from 2 to 8 letters. That count covers words using some of the letters as well as all of them.
Is there a word that uses all of DEIRSSST?: Yes — 2 words use all 8 letters. They are in the 8-letter group at the top of the list.
What is the highest-scoring word from DEIRSSST?: DISSERTS, worth 9 points in Scrabble. Scores here count tile values only, with no board bonuses.