Hebrew and Greek Strong's Dictionary with all the definitions plus combined with every place that word is used in the definitions.
Complete index of every word used in both the Hebrew and Greek Strong's Dictionary in English Word order.
Hebrew and Greek Expanded Dictionary
belief 4102 - pistis {pis'-tis}; from 3982; persuasion, i.e. credence; moral conviction (of religious truth, or the truthfulness of God or a religious teacher), especially reliance upon Christ for salvation; abstractly, constancy in such profession; by extension, the system of religious (Gospel) truth itself: -- assurance, {belief}, believe, faith, fidelity.
disbelief 0543 - apeitheia {ap-i'-thi-ah}; from 0545; {disbelief} (obstinate and rebellious): -- disobedience, unbelief.
disbelief 0570 - apaistia {ap-is-tee'-ah}; from 0571; faithlessness, i.e. (negatively) {disbelief} (lack of Christian faith), or (positively) unfaithfulness (disobedience): -- unbelief.
unbelief 0543 - apeitheia {ap-i'-thi-ah}; from 0545; disbelief (obstinate and rebellious): -- disobedience, {unbelief}.
unbelief 0570 - apaistia {ap-is-tee'-ah}; from 0571; faithlessness, i.e. (negatively) disbelief (lack of Christian faith), or (positively) unfaithfulness (disobedience): -- {unbelief}.