reject vs ignore

reject is a noun but ignore is not a noun.

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

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

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

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