emptiness vs vanity

emptiness and vanity both are nouns.

Word	Noun	Adjective	Verb	Adverb
emptiness	Yes	No	No	No
vanity	Yes	No	No	No

As nouns, emptiness and vanity are synonyms defined as:

emptiness (noun)	vanity (noun)
the quality of being valueless or futile	low table with mirror or mirrors where one sits while dressing or applying makeup
an empty area or space	the trait of being unduly vain and conceited; false pride
the state of containing nothing	the quality of being valueless or futile
having an empty stomach	feelings of excessive pride