treasurer vs financial officer

treasurer and financial officer both are nouns.

Word	Noun	Adjective	Verb	Adverb
treasurer	Yes	No	No	No
financial officer	Yes	No	No	No

As nouns, treasurer and financial officer are synonyms defined as:

treasurer and financial officer: an officer charged with receiving and disbursing funds

treasurer (noun)	financial officer (noun)
an officer charged with receiving and disbursing funds	an officer charged with receiving and disbursing funds