apparentness vs obviousness

apparentness and obviousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
apparentness	Yes	No	No	No
obviousness	Yes	No	No	No

As nouns, obviousness is a hypernym of apparentness; that is, obviousness is a word with a broader meaning than apparentness:

Other hypernyms of apparentness include noticeability, noticeableness, patency.

apparentness (noun)	obviousness (noun)
the property of being apparent	the property of being easy to see and understand