press agent vs public relations man

press agent and public relations man both are nouns.

Word	Noun	Adjective	Verb	Adverb
press agent	Yes	No	No	No
public relations man	Yes	No	No	No

As nouns, press agent and public relations man are synonyms defined as:

press agent and public relations man: someone employed to arrange publicity (for a firm or a public figure)

Other synonyms of press agent include PR man, publicity man.

press agent (noun)	public relations man (noun)
someone employed to arrange publicity (for a firm or a public figure)	someone employed to arrange publicity (for a firm or a public figure)