jejuneness vs callowness

jejuneness and callowness both are nouns.

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

As nouns, jejuneness and callowness are synonyms defined as:

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

Other synonyms of jejuneness include juvenility.

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