psychiatrist vs analyst

psychiatrist and analyst both are nouns.

Word	Noun	Adjective	Verb	Adverb
psychiatrist	Yes	No	No	No
analyst	Yes	No	No	No

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

Other hyponyms of psychiatrist include alienist, psychoanalyst.

psychiatrist (noun)	analyst (noun)
a physician who specializes in psychiatry	someone who is skilled at analyzing data
	a licensed practitioner of psychoanalysis
	an expert who studies financial data (on credit or securities or sales or financial patterns etc.) and recommends appropriate business actions