conspicuousness vs visibility

conspicuousness and visibility both are nouns.

Word	Noun	Adjective	Verb	Adverb
conspicuousness	Yes	No	No	No
visibility	Yes	No	No	No

As nouns, visibility is a hypernym of conspicuousness; that is, visibility is a word with a broader meaning than conspicuousness:

conspicuousness: high visibility
visibility: quality or fact or degree of being visible; perceptible by the eye or obvious to the eye

Other hypernyms of conspicuousness include visibleness.

conspicuousness (noun)	visibility (noun)
high visibility	quality or fact or degree of being visible; perceptible by the eye or obvious to the eye
the state of being conspicuous	capability of providing a clear unobstructed view
	degree of exposure to public notice