Is CHITS a Wordle Word?

Yes. CHITS 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 CHITS mean?

/tʃɪts/

To sprout; to shoot, as a seed or plant.
To damage the outer layers of a seed such as Lupinus or Sophora to assist germination.
To initiate sprouting of tubers, such as potatoes, by placing them in special environment, before planting into the soil.

A small sheet or scrap of paper with a hand-written note as a reminder or personal message.
A voucher or token coin used in payrolls under the truck system; scrip.
A small sheet of paper on which is written a prescription to be filled; a scrip.

3 more noun definitions

A smaller cardboard counter generally used not to directly represent something but for another, more transient, purpose such as tracking or randomization.
A signed voucher or memorandum of a small debt, as for food and drinks at a club.
A debt or favor owed in return for a prior loan or favor granted, especially a political favor.

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

Starter word rating: WeakIn the top 50% of all valid Wordle words for testing common letters.
Vowels: I
Unique letters: 5 of 5
Common letters: I, T

Hard-mode trap: 8 valid words fit the pattern CHI_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.