prosecuting attorney vs public prosecutor

prosecuting attorney and public prosecutor both are nouns.

Word	Noun	Adjective	Verb	Adverb
prosecuting attorney	Yes	No	No	No
public prosecutor	Yes	No	No	No

As nouns, prosecuting attorney and public prosecutor are synonyms defined as:

prosecuting attorney and public prosecutor: a government official who conducts criminal prosecutions on behalf of the state

Other synonyms of prosecuting attorney include prosecuting officer, prosecutor.

prosecuting attorney (noun)	public prosecutor (noun)
a government official who conducts criminal prosecutions on behalf of the state	a government official who conducts criminal prosecutions on behalf of the state