macroeconomist vs macroeconomic expert

macroeconomist and macroeconomic expert both are nouns.

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

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

macroeconomist and macroeconomic expert: an economist who specializes in macroeconomics

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