public prosecutor vs prosecuting attorney

public prosecutor and prosecuting attorney both are nouns.

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

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

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

Other synonyms of public prosecutor include prosecuting officer, prosecutor.

public prosecutor (noun)	prosecuting attorney (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