accusatorial vs accusation

accusatorial is not a noun while accusation is a noun.

Word	Noun	Adjective	Verb	Adverb
accusatorial	No	Yes	No	No
accusation	Yes	No	No	No

accusatorial (noun)	accusation (noun)
	a formal charge of wrongdoing brought against a person; the act of imputing blame or guilt
	an assertion that someone is guilty of a fault or offence

accusatorial (adjective)	accusation (adjective)
specifically indicating a form of prosecution in which one is publicly accused of and tried for a crime and in which the judge is not also the prosecutor