macroeconomic expert vs macroeconomist

macroeconomic expert and macroeconomist both are nouns.

Word	Noun	Adjective	Verb	Adverb
macroeconomic expert	Yes	No	No	No
macroeconomist	Yes	No	No	No

As nouns, macroeconomic expert and macroeconomist are synonyms defined as:

macroeconomic expert and macroeconomist: an economist who specializes in macroeconomics

macroeconomic expert (noun)	macroeconomist (noun)
an economist who specializes in macroeconomics	an economist who specializes in macroeconomics