shrink vs depopulate

shrink is a noun but depopulate is not a noun.

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

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

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

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

shrink (verb)	depopulate (verb)
become smaller or draw together	reduce in population
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