infallibility vs dependableness

infallibility and dependableness both are nouns.

Word	Noun	Adjective	Verb	Adverb
infallibility	Yes	No	No	No
dependableness	Yes	No	No	No

As nouns, dependableness is a hypernym of infallibility; that is, dependableness is a word with a broader meaning than infallibility:

Other hypernyms of infallibility include dependability, reliability, reliableness.

infallibility (noun)	dependableness (noun)
the quality of never making an error	the quality of being dependable or reliable