approachability vs accessibility

approachability and accessibility both are nouns.

Word	Noun	Adjective	Verb	Adverb
approachability	Yes	No	No	No
accessibility	Yes	No	No	No

As nouns, approachability and accessibility are synonyms defined as:

approachability and accessibility: the attribute of being easy to meet or deal with

approachability (noun)	accessibility (noun)
the attribute of being easy to meet or deal with	the quality of being at hand when needed
	the attribute of being easy to meet or deal with