Is PERFS a Wordle Word?

Yes. PERFS 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 PERFS mean?

2 more noun definitions

A series of holes punched through something in order to assist in separating parts.
That portion of a surface that remains after an open disk is removed from it.

The act of performing; carrying into execution or action; execution; achievement; accomplishment; representation by action.“the performance of an undertaking or a duty”
That which is performed or accomplished; a thing done or carried through; an achievement; a deed; an act; a feat; especially, an action of an elaborate or public character.
A live show or concert.

2 more noun definitions

The amount of useful work accomplished estimated in terms of time needed, resources used, etc.“Better performance means more work accomplished in shorter time and/or using fewer resources.”
The actual use of language in concrete situations by native speakers of a language, as opposed to the system of linguistic knowledge they possess (competence), cf. :w:linguistic performance.

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

Starter word rating: AverageIn the top 29% of all valid Wordle words for testing common letters.
Vowels: E
Unique letters: 5 of 5
Common letters: E, R

Hard-mode trap: 11 valid words fit the pattern PER_S. 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.