oleaginousness vs smarminess

oleaginousness and smarminess both are nouns.

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

As nouns, oleaginousness and smarminess are synonyms defined as:

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

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