Stapp rhymes with:
tap, tapp, tappe, app, cap, capp, chap, chapp, clap, clapp, crap, dapp, entrap, flap, frap, gap, gapp, giap, hap, happ, happe, jap, kapp, klapp, knapp, krapp, lap, lapp, lappe, map, mapp, nap, napp, pap, papp, rap, rapp, rappe, sap, sapp, schapp, schnapp, scrap, shap, shapp, slap, snap, snapp, strap, tap, tapp, tappe, trap, trapp, trappe, unwrap, wrap, yap, yapp, zap, zapp
Stapp sounds like:
saathoff, sachdev, sadoff, sedative, sedivy, setup, skydive, sotheby, staab, stab, staff, staffa, staib, stapf, staph, staub, stauff, staup, stave, steeb, steep, stefa, steffe, steffey, steffi, steffie, steffy, steib, step, steph, stepha, stepp, steppe, steve, stevie, stief, stieve, stiff, stipe, stipp, stobbe, stobie, stoff, stoop, stop, stopa, stoup, stove, stub, stubbe, stubby, stuebe, stueve, stuff, stuffy, stupa, stupay, stupp, stuve, suggestive