oleaginous vs oleaginousness

oleaginous is not a noun while oleaginousness is a noun.

Word	Noun	Adjective	Verb	Adverb
oleaginous	No	Yes	No	No
oleaginousness	Yes	No	No	No

oleaginous (noun)	oleaginousness (noun)
	consisting of or covered with oil
	smug self-serving earnestness

oleaginous (adjective)	oleaginousness (adjective)
containing an unusual amount of grease or oil
unpleasantly and excessively suave or ingratiating in manner or speech