How many words can you make from IINNORSTU?

159 in the Tournament dictionary, ranging from 2 to 9 letters. That count covers words using some of the letters as well as all of them.

Is there a word that uses all of IINNORSTU?

Yes — 1 word uses all 9 letters. They are in the 9-letter group at the top of the list.

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

159 words can be made from these letters, the best being INTRUSION at 9 points.

Feed IINNORSTU to the solver and 159 words come back. They are set out below by length, with the highest scoring first inside each group.

From 2 letters to 9: the 4-letter band is the densest with 54 words, and the 9-letter band the scarcest with 1.

The highest-scoring answer is INTRUSION at 9 points in Scrabble. It tops both tables: 12 in Words With Friends as well.

At 9 letters, INTRUSION is 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.

intrusion: rock produced by an intrusive process
unionist: a worker who belongs to a trade union
ironist: a humorist who uses ridicule and irony and sarcasm
nitrous: of or containing nitrogen
intron: sequence of a eukaryotic gene's DNA that is not translated into a protein

How many words can you make from IINNORSTU?: 159 in the Tournament dictionary, ranging from 2 to 9 letters. That count covers words using some of the letters as well as all of them.
Is there a word that uses all of IINNORSTU?: Yes — 1 word uses all 9 letters. They are in the 9-letter group at the top of the list.
What is the highest-scoring word from IINNORSTU?: INTRUSION, worth 9 points in Scrabble. Scores here count tile values only, with no board bonuses.