incredible 0571 - apistos {ap'-is-tos}; from 0001 (as a negative particle) and 4103; (actively) disbelieving, i.e. without Christian faith (specially, a heathen); (passively) untrustworthy (person), or incredible (thing): -- that believeth not, faithless, {incredible} thing, infidel, unbeliever(-ing).
incredible 3026 - leros {lay'-ros}; apparently a primary word; twaddle, i.e. an {incredible} story: -- idle tale.