Ono rhymes with:
akebono, alfono, arcidiacono, aronow, bono, buono, chombiono, colantuono, dantuono, debono, delbuono, dibuono, iacono, kono, loiacono, londono, mono, riccobono, sharbono, tesobono
Ono sounds like:
o'hanian, o'mahoney, o'mahony, oana, oanh, oehme, oehmen, oeien, ohanian, ohioan, ohm, ohmae, ohman, ohmann, oien, oma, omaha, omahoney, omahony, oman, omani, omen, ommen, omni, omonia, on, ona, onan, onawa, one, one-way, oney, onion, onnen, onni, onno, oona, owen, own, oyama, oyen