ignore vs reject

ignore is not a noun while reject is a noun.

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

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

ignore (noun)	reject (noun)
	the person or thing that is rejected or set aside as inferior in quality

ignore (verb)	reject (verb)
be ignorant of or in the dark about	not accept something given or offered
give little or no attention to	dismiss from consideration or a contest
bar from attention or consideration	deem wrong or inappropriate
refuse to acknowledge	reject with contempt
fail to notice	not accept as true
	refuse entrance or membership
	resist immunologically the introduction of some foreign tissue or organ