shrivel vs die down

shrivel and die down both are verbs.

Word	Noun	Adjective	Verb	Adverb
shrivel	No	No	Yes	No
die down	No	No	Yes	No

As verbs, die down is a hyponym of shrivel; that is, die down is a word with a more specific, narrower meaning than shrivel:

Other hyponyms of shrivel include atrophy, blast, die back, dry up, mummify.

shrivel (verb)	die down (verb)
wither, as with a loss of moisture	suffer from a disease that kills shoots
decrease in size, range, or extent	become progressively weaker