The word "hooker" is a colloquial term used to refer to a prostitute. However, there are many other synonyms that can be used to describe this profession. Some of these synonyms include call girl, courtesan, escort, sex worker, streetwalker, and working girl. These words are commonly used in different parts of the world to refer to prostitutes. It is important to note that while these words have different connotations, they refer to the same profession and should be used with sensitivity and respect. Overall, knowing the proper terminology is crucial when discussing or researching topics related to prostitution.