Here's what rhymes with proponent.
opponent component deponent Words that almost rhyme with proponent
moment potent atonement doughnut donut docent poet cogent potest rodent pronest noticed focused lowest quotient focussed knowest locust posttest drollest poulticed closest coldest postponement remotest elopement grossest slowest immodest unfocused dethronement refocused chiropodist violist unfocussed refocussed hostessed enrollment enrolment enthronement folklorist wholesomest emblazonment encroachment engrossment honeylocust cosmogonist