diminish vs belittle

diminish and belittle both are verbs.

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

As verbs, diminish and belittle are synonyms defined as:

diminish (verb)	belittle (verb)
decrease in size, extent, or range	lessen the authority, dignity, or reputation of
lessen the authority, dignity, or reputation of	express a negative opinion of
	cause to seem less serious; play down