rhetorical vs rhetoric

rhetorical is not a noun while rhetoric is a noun.

Word	Noun	Adjective	Verb	Adverb
rhetorical	No	Yes	No	No
rhetoric	Yes	No	No	No

rhetorical (noun)	rhetoric (noun)
	study of the technique and rules for using language effectively (especially in public speaking)
	using language effectively to please or persuade
	high-flown style; excessive use of verbal ornamentation
	loud and confused and empty talk

rhetorical (adjective)	rhetoric (adjective)
given to rhetoric, emphasizing style at the expense of thought
of or relating to rhetoric