symbolical vs symbol

symbolical is not a noun while symbol is a noun.

Word	Noun	Adjective	Verb	Adverb
symbolical	No	Yes	No	No
symbol	Yes	No	No	No

symbolical (noun)	symbol (noun)
	something visible that by association or convention represents something else that is invisible
	an arbitrary sign (written or printed) that has acquired a conventional significance

symbolical (adjective)	symbol (adjective)
relating to or using or proceeding by means of symbols
serving as a visible symbol for something abstract