psychoanalyst vs psychiatrist

psychoanalyst and psychiatrist both are nouns.

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

As nouns, psychiatrist is a hypernym of psychoanalyst; that is, psychiatrist is a word with a broader meaning than psychoanalyst:

Other hypernyms of psychoanalyst include head-shrinker, shrink.

psychoanalyst (noun)	psychiatrist (noun)
a licensed practitioner of psychoanalysis	a physician who specializes in psychiatry