soapy vs unctuous

soapy and unctuous both are adjectives.

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

As adjectives, soapy and unctuous are synonyms defined as:

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

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

soapy (adjective)	unctuous (adjective)
resembling or having the qualities of soap	unpleasantly and excessively suave or ingratiating in manner or speech
unpleasantly and excessively suave or ingratiating in manner or speech