Opulent rhymes with:
corpulant, corpulant, stimulant, truculent, turbulent, ambivalent, benevolent, corpulant, equivalent, excellent, flatulent, fraudulent, indolent, insolent, jubilant, malevolent, nonviolent, petulant, prevalent, redolent, somnolent, stimulant, truculent, turbulent, vigilant, violent, virulent