noticeableness vs patency

noticeableness and patency both are nouns.

Word	Noun	Adjective	Verb	Adverb
noticeableness	Yes	No	No	No
patency	Yes	No	No	No

As nouns, noticeableness and patency are synonyms defined as:

noticeableness and patency: the property of being easy to see and understand

Other synonyms of noticeableness include noticeability, obviousness.

noticeableness (noun)	patency (noun)
the property of being easy to see and understand	the openness (lack of obstruction) of a bodily passage or duct
	the property of being easy to see and understand