volume vs voluminous

volume is a noun but voluminous is not a noun.

Word	Noun	Adjective	Verb	Adverb
volume	Yes	No	No	No
voluminous	No	Yes	No	No

volume (noun)	voluminous (noun)
physical objects consisting of a number of pages bound together
the magnitude of sound (usually in a specified direction)
the property of something that is great in magnitude
a publication that is one of a set of several similar publications
the amount of 3-dimensional space occupied by an object
a relative amount

volume (adjective)	voluminous (adjective)
	large in number or quantity (especially of discourse)
	marked by repeated turns and bends
	large in volume or bulk