shrink vs flinch

shrink and flinch both are nouns.

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

As verbs, shrink and flinch are synonyms defined as:

Other synonyms of shrink include cringe, funk, quail, recoil, squinch, wince.

shrink (noun)	flinch (noun)
a physician who specializes in psychiatry	a reflex response to sudden pain

shrink (verb)	flinch (verb)
become smaller or draw together	draw back, as with fear or pain
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