bean counter vs comptroller

bean counter and comptroller both are nouns.

Word	Noun	Adjective	Verb	Adverb
bean counter	Yes	No	No	No
comptroller	Yes	No	No	No

As nouns, comptroller is a hypernym of bean counter; that is, comptroller is a word with a broader meaning than bean counter:

bean counter: an accountant or bureaucrat who is believed to place undue emphasis on the control of expenditures
comptroller: someone who maintains and audits business accounts

Other hypernyms of bean counter include accountant, controller, administrative official, bureaucrat.

bean counter (noun)	comptroller (noun)
an accountant or bureaucrat who is believed to place undue emphasis on the control of expenditures	someone who maintains and audits business accounts