callowness vs jejuneness

callowness and jejuneness both are nouns.

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

As nouns, callowness and jejuneness are synonyms defined as:

callowness and jejuneness: lacking and evidencing lack of experience of life

Other synonyms of callowness include juvenility.

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