Reticence rhymes with:
absence, acquiescence, adolescence, beneficence, coalescence, convalescence, essence, evanescence, innocence, licence, license, luminescence, nuisance, obsolescence, phosphorescence, plaisance, quintessence, reconnaissance, reminiscence, senescence
Reticence sounds like:
rattigan's, redesigning, redskins, redskins', reducing, retaking, retouching, rewatching, rudzinski