smarm vs fulsomeness

smarm and fulsomeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
smarm	Yes	No	No	No
fulsomeness	Yes	No	No	No

As nouns, smarm and fulsomeness are synonyms defined as:

smarm and fulsomeness: excessive but superficial compliments given with affected charm

Other synonyms of smarm include unction.

smarm (noun)	fulsomeness (noun)
excessive but superficial compliments given with affected charm	smug self-serving earnestness
	excessive but superficial compliments given with affected charm