Is TUTES a Wordle Word?

Yes. TUTES is a valid Wordle word.

It is not on the Wordle answer list, so it is unlikely to be a daily answer.

Plurals ending in S are almost never chosen as Wordle answers.

What does TUTES mean?

An organization founded to promote a cause“I work in a medical research institute.”
An institution of learning; a college, especially for technical subjects
The building housing such an institution

3 more noun definitions

The act of instituting; institution.
That which is instituted, established, or fixed, such as a law, habit, or custom.
The person to whom an estate is first given by destination or limitation.

A self-paced learning exercise; a lesson prepared so that a student can learn at their own speed, at their convenience.
An interactive class taught by a tutor to students at university or college, individually or in small groups.

Definition from Wiktionary, available under the CC BY-SA license.

Starter word rating: WeakIn the top 47% of all valid Wordle words for testing common letters.
Vowels: U, E
Unique letters: 4 of 5Repeats T
Common letters: T, E

Hard-mode trap: 6 valid words fit the pattern _UTES. If you reach it, you may need several guesses to find the last letter.

Letter ratings use how often each letter appears in Wordle answers.

Tap its tiles to the colours Wordle showed, and the Wordle Solver lists every word that still fits, with the best next guess.