dry up vs shrink

dry up is not a noun while shrink is a noun.

Word	Noun	Adjective	Verb	Adverb
dry up	No	No	Yes	No
shrink	Yes	No	Yes	No

As verbs, shrink is a hypernym of dry up; that is, shrink is a word with a broader meaning than dry up:

Other hypernyms of dry up include shrivel, shrivel up, wither.

dry up (noun)	shrink (noun)
	a physician who specializes in psychiatry

dry up (verb)	shrink (verb)
lose water or moisture	become smaller or draw together
dry up and shrivel due to complete loss of moisture	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