intransitive verb vs verb

intransitive verb and verb both are nouns.

Word	Noun	Adjective	Verb	Adverb
intransitive verb	Yes	No	No	No
verb	Yes	No	No	No

As nouns, verb is a hypernym of intransitive verb; that is, verb is a word with a broader meaning than intransitive verb:

intransitive verb: a verb (or verb construction) that does not take an object
verb: the word class that serves as the predicate of a sentence

intransitive verb (noun)	verb (noun)
a verb (or verb construction) that does not take an object	a content word that denotes an action, occurrence, or state of existence
	the word class that serves as the predicate of a sentence