Ovule rhymes with:
microtubule, miniscule, samuel, tubule, dubreuil, microtubule, miniscule, module, nodule, otoole, reichstuhl, reschedule, samuel, tubule, youell
Ovule sounds like:
o'boyle, obelia, oboyle, ofelia, offill, ofilia, opal, opel, ophelia, opiela, ople, oppel, oval, ovalle