shrink vs mummify

shrink is a noun but mummify is not a noun.

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

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

Other hyponyms of shrink include atrophy, blast, die back, die down, dry up.

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

shrink (verb)	mummify (verb)
become smaller or draw together	dry up and shrivel due to complete loss of moisture
reduce in size; reduce physically	remove the organs and dry out (a dead body) in order to preserve it
wither, as with a loss of moisture	preserve while making lifeless
decrease in size, range, or extent
draw back, as with fear or pain