The wrongly spelled word is "Audibal." The correct spelling is "Audible." Audible means capable of being heard or loud enough to be heard.

Explanation of the other options:

☀ Article: This word is spelled correctly. It refers to a particular item or object.

☀ Conceal: This word is spelled correctly. It means to hide or keep something secret or out of sight.

☀ Precious: This word is spelled correctly. It means valuable, cherished, or highly esteemed.