Indium rhymes with:
compendium, chriptosporidium, compendium, cryptosporidium, idiom, iridium, medium, myocardium, nephridium, odiaum, palladium, plasmodium, podium, presidium, radium, rhodium, sodium, stadium, tedium, vanadium
Indium sounds like:
ianthina, imitation, indian, indiana, indianian, initiation, intan, intone, intuition, inundation