smarmy vs buttery

smarmy is not a noun while buttery is a noun.

Word	Noun	Adjective	Verb	Adverb
smarmy	No	Yes	No	No
buttery	Yes	Yes	No	No

As adjectives, smarmy and buttery are synonyms defined as:

smarmy and buttery: unpleasantly and excessively suave or ingratiating in manner or speech

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

smarmy (noun)	buttery (noun)
	a teashop where students in British universities can purchase light meals
	a small storeroom for storing foods or wines

smarmy (adjective)	buttery (adjective)
unpleasantly and excessively suave or ingratiating in manner or speech	resembling or containing or spread with butter
	unpleasantly and excessively suave or ingratiating in manner or speech