psychiatrist vs shrink

psychiatrist and shrink both are nouns.

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

As nouns, psychiatrist and shrink are synonyms defined as:

Other synonyms of psychiatrist include head-shrinker.

psychiatrist (noun)	shrink (noun)
a physician who specializes in psychiatry	a physician who specializes in psychiatry

psychiatrist (verb)	shrink (verb)
	become smaller or draw together
	reduce in size; reduce physically
	wither, as with a loss of moisture
	decrease in size, range, or extent
	draw back, as with fear or pain