Nonpluss rhymes with:
careplus, plus, careplus, klus, plus, sluss, brus, bruss, bus, buss, busse, careplus, cus, cuss, discuss, fuhs, fuss, gruss, gus, guss, huss, klus, krus, kus, kuss, muhs, nuss, plus, prus, pruss, pus, rus, russ, russe, shas, sluss, struss, sus, suss, thus, trus, truss, us, vanhuss, wass, wuss, xus
Nonpluss sounds like:
nablus, naples, napoles, nebulous, neopolis, nepalese, nevels, nevills, nevils, nibbles, niblack, niblock, nipples, noble's, nobles, noblesse, nonpublic, novel's, novell's, novellus, novels