Innocence rhymes with:
reconnaissance, beneficence, reconnaissance, absence, acquiescence, adolescence, beneficence, coalescence, convalescence, essence, evanescence, licence, license, luminescence, nuisance, obsolescence, phosphorescence, plaisance, quintessence, reconnaissance, reminiscence, reticence, senescence
Innocence sounds like:
imagines, imaging, imagining, immunizing, inasmuch, incense, inching, incisions, incomes, incoming, ingenious, ingenuous, inocencio, insomniac, insouciance, ionizing