Here's what rhymes with dysprosium.

Consider these alternatives

yttrium / equilibrium europium / sodium vincristine / seen gadolinium / premium trihydrate / hydrate scandium / champion hyoscyamine / nine quinidine / seen bismuth / business papaverine / seen mitoxantrone / known borate / late niobate / metaniobate cesium / magnesium uranyl / will sillimanite / might actinium / scleractinian vasoactive / attractive