oleaginous vs unctuous

oleaginous and unctuous both are adjectives.

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

As adjectives, oleaginous and unctuous are synonyms defined as:

oleaginous and unctuous: unpleasantly and excessively suave or ingratiating in manner or speech

Other synonyms of oleaginous include buttery, fulsome, oily, smarmy, soapy.

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