conceitedness vs vanity

conceitedness and vanity both are nouns.

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

As nouns, conceitedness and vanity are synonyms defined as:

conceitedness and vanity: the trait of being unduly vain and conceited; false pride

Other synonyms of conceitedness include conceit.

conceitedness (noun)	vanity (noun)
the trait of being unduly vain and conceited; false pride	low table with mirror or mirrors where one sits while dressing or applying makeup
	the trait of being unduly vain and conceited; false pride
	the quality of being valueless or futile
	feelings of excessive pride