Setbacks rhymes with:
cutbacks, buybacks, comebacks, cutbacks, drawbacks, flashbacks, fullbacks, givebacks, greenback's, greenbacks, halfbacks, kickbacks, leasebacks, leatherbacks, paperbacks, paybacks, pricklebacks, pullbacks, quarterbacks, razorback's, razorbacks, rollbacks
Setbacks sounds like:
setback, setups, shadbush, sotheby's, stabs, staff's, staffs, staubs, staves, steeves, steffek, steffes, stefko, stepka, steppes, steps, steve's, steves, stevick, stiffs, stipes, stobaugh, stofko, stoops, stopka, stoppage, stoppages, stops, stouffs, stoves, stubbs, stubs, stuff's, stuffs, stupak, stupka, stupski, sudbeck