anecdotalism vs levity

anecdotalism and levity both are nouns.

Word	Noun	Adjective	Verb	Adverb
anecdotalism	Yes	No	No	No
levity	Yes	No	No	No

As nouns, levity is a hypernym of anecdotalism; that is, levity is a word with a broader meaning than anecdotalism:

anecdotalism: The property of being related to short accounts of real incidents or persons, often humorous or interesting.
levity: a manner lacking seriousness

Other hypernyms of anecdotalism include comicality.

anecdotalism (noun)	levity (noun)
The property of being related to short accounts of real incidents or persons, often humorous or interesting.	a manner lacking seriousness
	feeling an inappropriate lack of seriousness