shrink vs miniaturize

shrink is a noun but miniaturize is not a noun.

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

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

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

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

shrink (verb)	miniaturize (verb)
become smaller or draw together	design or construct on a smaller scale
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