verbal vs verb

verbal is not a noun while verb is a noun.

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

verbal (noun)	verb (noun)
	a content word that denotes an action, occurrence, or state of existence
	the word class that serves as the predicate of a sentence

verbal (adjective)	verb (adjective)
relating to or having facility in the use of words
tediously prolonged or tending to speak or write at great length
of or relating to or formed from a verb
of or relating to or formed from words in general
communicated in the form of words
expressed in spoken words