accessibility vs friendliness

accessibility and friendliness both are nouns.

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

As nouns, friendliness is a hypernym of accessibility; that is, friendliness is a word with a broader meaning than accessibility:

accessibility (noun)	friendliness (noun)
the quality of being at hand when needed	a friendly disposition
the attribute of being easy to meet or deal with	a feeling of liking for another person; enjoyment in their company