freshness vs newness

freshness and newness both are nouns.

Word	Noun	Adjective	Verb	Adverb
freshness	Yes	No	No	No
newness	Yes	No	No	No

As nouns, newness is a hypernym of freshness; that is, newness is a word with a broader meaning than freshness:

freshness: the property of being pure and fresh (as if newly made); not stale or deteriorated
newness: the quality of being new; the opposite of oldness

freshness (noun)	newness (noun)
originality by virtue of being refreshingly novel	the quality of being new; the opposite of oldness
the property of being pure and fresh (as if newly made); not stale or deteriorated
the trait of being rude and impertinent; inclined to take liberties
originality by virtue of being new and surprising
an alert and refreshed state