Quanex rhymes with:
albunex, avanex, cognex, genex, immunex, moulinex, 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, reflex, rolex, rorex, royex, semtex, simex, spinifex, timex, trizec's, uzbeks, vortex
Quanex sounds like:
qing, qmax, quaking, quang, quashing, queasiness, queen's, queens, queensway, quench, quenches, queuing, quickening, quickens, quickness, quina's, quince, quincey, quincy, quincy's, quinn's, quinoco, quinones, quinonez, quizzing