Tarquinio rhymes with:
aluminio, arsenio, denio, eugenio, strenio, aluminio, amnio, antonio, arsenio, cattaneo, colantonio, cotroneo, cuneo, dantonio, denio, diantonio, eugenio, hermenio, kunio, marcantonio, messineo, mineo, petronio, pineo, pinneo, pomponio, strenio, tsuneo, uneo, wainio
Tarquinio sounds like:
tarzan, terracciano, terrorism, terzian, thoresen, thoreson, thorsen, thorson, threesome, tiresome, torgeson, torosian, torrejon, torsion, tourigny, tourism, trajan, treason, trism, trochmann, trojan, truchan, truism, turchin, turchyn, turgeon, turismo, turkmen