oiliness vs oleaginousness

oiliness and oleaginousness both are nouns.

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

As nouns, oiliness and oleaginousness are synonyms defined as:

Other synonyms of oiliness include greasiness.

As nouns, oiliness and oleaginousness are synonyms defined as:

Other synonyms of oiliness include fulsomeness, smarminess, unction, unctuousness.

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