Reflex rhymes with:
complex, culex, inlex, patlex, proctorsilex, qualex, rolex, abex, albunex, alpex, ashtec's, avanex, cognex, complex, cortex, culex, dudeck's, forex, gemex, genex, ibex, immunex, index, inlex, koscheck's, micrografx, mondex, moulinex, ovex, pantex, patlex, proctorsilex, purex, quadrex, qualex, quanex, rolex, rorex, royex, semtex, simex, spinifex, timex, trizec's, uzbeks, vortex
Reflex sounds like:
rabalais, rafalski, raffles, ravel's, rebel's, rebellious, rebels, rebels', rebholz, refills, reflag, reflexes, repeals, repels, replace, replaces, replays, replica, replicas, replicase, replies, republic, republic's, republica, republics, republika, repulse, reveals, reveles, revels, revivals, rifles, ripples, rival's, rivals, rivals', robles, ruble's, rubles, ruffles