G543@ ἀπείθεια apeitheia ap-i'-thi-ah From G545; disbelief (obstinate and rebellious): - disobedience unbelief.
G570@ ἀπιστία apistia ap-is-tee'-ah From G571; faithlessness that is (negatively) disbelief (want of Christian faith) or (positively) unfaithfulness (disobedience): - unbelief.