hallucinate vs hallucination

hallucinate is not a noun while hallucination is a noun.

Word	Noun	Adjective	Verb	Adverb
hallucinate	No	No	Yes	No
hallucination	Yes	No	No	No

hallucinate (noun)	hallucination (noun)
	a mistaken or unfounded opinion or idea
	an object perceived during a hallucinatory episode
	illusory perception; a common symptom of severe mental disorder

hallucinate (verb)	hallucination (verb)
perceive what is not there; have illusions