nothingness vs malarky

nothingness and malarky both are nouns.

Word	Noun	Adjective	Verb	Adverb
nothingness	Yes	No	No	No
malarky	Yes	No	No	No

As nouns, nothingness and malarky are synonyms defined as:

nothingness and malarky: empty rhetoric or insincere or exaggerated talk

Other synonyms of nothingness include idle words, jazz, malarkey, wind.

nothingness (noun)	malarky (noun)
empty rhetoric or insincere or exaggerated talk	empty rhetoric or insincere or exaggerated talk
the state of nonexistence