inquisitorial vs inquiring

inquisitorial is not a noun while inquiring is a noun.

Word	Noun	Adjective	Verb	Adverb
inquisitorial	No	Yes	No	No
inquiring	Yes	Yes	No	No

inquisitorial (noun)	inquiring (noun)
	a request for information

inquisitorial (adjective)	inquiring (adjective)
especially indicating a form of prosecution in which proceedings are secret and the accused is questioned by a prosecutor who acts also as the judge	given to inquiry
having the authority to conduct official investigations
marked by inquisitive interest; especially suggestive of an ecclesiastical inquisitor