vapidness vs jejuneness

vapidness and jejuneness both are nouns.

Word	Noun	Adjective	Verb	Adverb
vapidness	Yes	No	No	No
jejuneness	Yes	No	No	No

As nouns, vapidness and jejuneness are synonyms defined as:

vapidness and jejuneness: the quality of being vapid and unsophisticated

Other synonyms of vapidness include jejunity, tameness, vapidity.

vapidness (noun)	jejuneness (noun)
the quality of being vapid and unsophisticated	the quality of being vapid and unsophisticated
	quality of inadequate nutritive value
	lacking and evidencing lack of experience of life