Is CHARK a Wordle Word?

Yes. CHARK is a valid Wordle word.

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

What does CHARK mean?

/t͡ʃɑː(ɹ)k/

Charcoal; coke.“... so I contrived to burn some wood here, as I had seen done in England, under turf, till it became chark or dry coal ...”
A pointed stick, which when placed with the point against another piece of wood, and spun rapidly in alternate directions with the aid of attached cords, produces enough heat by friction to create a fire; a fire drill.
A wine glass.

1 more noun definition

A Middle Eastern falcon, probably the lanner.“A good chark will sometimes take as many as eight or ten bustards or five or six gazelles in the course of a morning.”

To reduce by strong heat, as to produce charcoal or coke; to calcine.“The method which the Romans now taught them of charking the coal continues eſſentially the ſame until the preſent moment.”
To make a grating sound.“The hoarse charking conversation which they carried on was calculated to support the delusion.”

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

Starter word rating: WeakIn the top 48% of all valid Wordle words for testing common letters.
Vowels: A
Unique letters: 5 of 5
Common letters: A, R

Hard-mode trap: 9 valid words fit the pattern CHAR_. 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.