Overemphasized rhymes with:
emphasized, emphasized, emphasized, criticized, emphasized, hypothesized, metastasized, ostracized, romanticized, anglicized, capsized, circumcised, criticized, downsized, emphasized, excised, exercised, fantasized, full-sized, hypothesized, metastasized, midsized, ostracized, outsized, oversized, politicized, publicized, romanticized, synthesized, undersized, unexercised