belittle vs trash

belittle is not a noun while trash is a noun.

Word	Noun	Adjective	Verb	Adverb
belittle	No	No	Yes	No
trash	Yes	No	Yes	No

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

belittle (noun)	trash (noun)
	an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
	nonsensical talk or writing
	worthless people
	worthless material that is to be disposed of

belittle (verb)	trash (verb)
lessen the authority, dignity, or reputation of	express a totally negative opinion of
express a negative opinion of	dispose of (something useless or old)
cause to seem less serious; play down