prosecuting officer vs prosecuting attorney

prosecuting officer and prosecuting attorney both are nouns.

Word	Noun	Adjective	Verb	Adverb
prosecuting officer	Yes	No	No	No
prosecuting attorney	Yes	No	No	No

As nouns, prosecuting officer and prosecuting attorney are synonyms defined as:

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

Other synonyms of prosecuting officer include prosecutor, public prosecutor.

prosecuting officer (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