undependable vs fallible

undependable and fallible both are adjectives.

Word	Noun	Adjective	Verb	Adverb
undependable	No	Yes	No	No
fallible	No	Yes	No	No

undependable (adjective)	fallible (adjective)
not worthy of reliance or trust	likely to fail or make errors
liable to be erroneous or misleading	wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings