Rotund rhymes with:
stunned, tunde, almelund, bund, bunde, defund, dunned, fund, grund, gunned, hund, kunde, lund, lunde, mund, pfund, refund, rund, runde, schlund, shunned, stunned, sund, sunde, superfund, tunde, und
Rotund sounds like:
radant, radiant, radmund, rationed, readmit, readmitted, red-handed, redeemed, redhanded, redmond, redmund, redondo, redound, retained, retinoid, rhodanthe, rodent, rodmond, rodmund, rotondi, rotondo, rotunda, rotundo, rudiment, rudnet