discredit vs ignore

discredit is a noun but ignore is not a noun.

Word	Noun	Adjective	Verb	Adverb
discredit	Yes	No	Yes	No
ignore	No	No	Yes	No

As verbs, ignore is a hypernym of discredit; that is, ignore is a word with a broader meaning than discredit:

Other hypernyms of discredit include brush aside, brush off, discount, dismiss, disregard, push aside.

discredit (noun)	ignore (noun)
the state of being held in low esteem

discredit (verb)	ignore (verb)
reject as false; refuse to accept	be ignorant of or in the dark about
cause to be distrusted or disbelieved	give little or no attention to
damage the reputation of	bar from attention or consideration
	refuse to acknowledge
	fail to notice