economist vs monetarist

economist and monetarist both are nouns.

Word	Noun	Adjective	Verb	Adverb
economist	Yes	No	No	No
monetarist	Yes	No	No	No

As nouns, monetarist is a hyponym of economist; that is, monetarist is a word with a more specific, narrower meaning than economist:

economist: an expert in the science of economics
monetarist: an advocate of the theory that economic fluctuations are caused by increases or decreases in the supply of money

economist (noun)	monetarist (noun)
an expert in the science of economics	an advocate of the theory that economic fluctuations are caused by increases or decreases in the supply of money