accusation vs accusatorial

accusation is a noun but accusatorial is not a noun.

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

accusation (noun)	accusatorial (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

accusation (adjective)	accusatorial (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