accountant vs comptroller

accountant and comptroller both are nouns.

Word	Noun	Adjective	Verb	Adverb
accountant	Yes	No	No	No
comptroller	Yes	No	No	No

As nouns, accountant and comptroller are synonyms defined as:

accountant and comptroller: someone who maintains and audits business accounts

Other synonyms of accountant include controller.

accountant (noun)	comptroller (noun)
someone who maintains and audits business accounts	someone who maintains and audits business accounts