fallible vs undependable

fallible and undependable both are adjectives.

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

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