fulsomeness vs smarm

fulsomeness and smarm both are nouns.

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

As nouns, fulsomeness and smarm are synonyms defined as:

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

Other synonyms of fulsomeness include unction.

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