Stepped rhymes with:
accept, adept, crept, except, inept, intercept, kept, leaped, leapt, overslept, prepped, sept, slept, swept, wept
Stepped sounds like:
seedpod, stabbed, staffed, staved, steeped, steptoe, stiffed, stooped, stopped, stubbed, stuff-it, stuffed, stupid, stupidity, sudafed