accessibility vs handiness

accessibility and handiness both are nouns.

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

As nouns, accessibility and handiness are synonyms defined as:

Other synonyms of accessibility include availability, availableness.

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