The spelling of the word "procacious" is often confused with "precocious." "Procacious," pronounced as /proh-kay-shuh s/, is an adjective that describes someone who is forward, presumptuous, or boastful. On the other hand, "precocious," pronounced as /pri-koh-shuhs/, is an adjective that describes a child who exhibits advanced abilities for their age. It's important to use the correct spelling of these words to avoid confusion in communication.