Osmium rhymes with:
cadmium, chromium, fermium, holmium, premium, superpremium, abiam, ad-nauseum, alluvium, ammonium, ankerium, aquarium, atrium, auditorium, axiom, bacterium, barium, beryllium, byzantium, cadmium, calcium, capernaum, cesium, chriptosporidium, chromium, colloquium, compendium, condominium, consortium, cranium, crematorium, cryptosporidium, delirium, deuterium, didinium, dilithium, disequilibrium, elysium, emporium, equilibrium, europium, fermium, gallium, geranium, gilliam, gonium, gymnasium, hafnium, harmonium, helium, herbarium, hoium, holmium, honorarium, idiom, indium, iridium, lawrencium, linoleum, lithium, magnesium, medium, merriam, millennium, minium, miriam, moratorium, myocardium, myriam, mysterium, nephridium, neptunium, niobium, nobelium, odiaum, opium, opprobrium, palladium, pandemonium, paramecium, pentium, petroleum, planetarium, plasmodium, plutonium, podium, polonium, potassium, premium, presidium, promethium, protium, psyllium, pulliam, radium, requiem, rhodium, selenium, sodium, stadium, strontium, superpremium, symposium, tedium, tellurium, thallium, thorium, titanium, tritium, uranium, valium, vanadium, yttrium, zirconium
Osmium sounds like:
o'cana, o'guin, o'guinn, o'hagan, o'kane, o'keson, o'quinn, oakman, ocain, ocana, occasion, occhino, ocean, oceana, oceania, ocon, ogan, ogoni, oguin, oguinn, ohagan, okane, okano, okasan, oken, okeson, okin, okinawa, okon, oksana, okuma, okun, okuno, oquin, oquinn, osama, osamu, oshima, oshman, osman, osmena, osmon, osmun, ossman, osuna, oxen, oxman, oxygen, ozanne, ozmun, ozone, ozuna