shrink vs reduce

shrink is a noun but reduce is not a noun.

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

As verbs, shrink and reduce are synonyms defined as:

As verbs, reduce is a hyponym of shrink; that is, reduce is a word with a more specific, narrower meaning than shrink:

Other hyponyms of shrink include scale down, reef, miniaturise, miniaturize, depopulate, desolate, downsize, contract.

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

shrink (verb)	reduce (verb)
become smaller or draw together	take off weight
reduce in size; reduce physically	cut down on; make a reduction in
wither, as with a loss of moisture	narrow or limit
decrease in size, range, or extent	cook until very little liquid is left
draw back, as with fear or pain	to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons
	make smaller
	reduce in size; reduce physically
	make less complex
	reduce in scope while retaining essential elements
	lessen the strength or flavor of a solution or mixture
	be cooked until very little liquid is left
	be the essential element
	destress and thus weaken a sound when pronouncing it
	undergo meiosis
	reposition (a broken bone after surgery) back to its normal site
	lower in grade or rank or force somebody into an undignified situation
	lessen and make more modest
	simplify the form of a mathematical equation of expression by substituting one term for another
	bring to humbler or weaker state or condition
	put down by force or intimidation