apparency vs obviousness

apparency and obviousness both are nouns.

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

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

Other hypernyms of apparency include noticeability, noticeableness, patency.

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