Embarrasses rhymes with:
actress's, actresses, choruses, congress', congress's, congresses, cypress's, fortresses, gavras's, heiresses, irises, mattress's, norris's, retroviruses, sampras's, virus's, waitresses, walruses
Embarrasses sounds like:
embargo, embargoes, embark, embarks, embarrass, embers, embrace, embraces, embrose, embryos, emperor's, emperors, empire's, empires, empowers, empresa, empresas, empress, emprise, enberg, enforce, enforces