However, you can use it in a sentence with a noun phrase that describes the act of publicizing:
* The company's publicize of the new product was very successful. (Here, "publicize" refers to the act of publicizing, which is a noun phrase.)
* The publicize of the event was handled by a professional agency.
* The politician relied on a well-coordinated publicize campaign.
You can also use the noun "publicity" to refer to the act of publicizing or the attention given to something:
* The company received a lot of publicity for its new product.
* The politician's scandal generated negative publicity. **
* They used social media for publicity of the event.