Dupin rhymes with:
chapin, japan, lapan, lappin, chapin, cspan, harpin, japan, lapan, lappin, maupin, pan, span, spann
Dupin sounds like:
dabney, daffin, dafna, daphne, dauphin, dauphinee, davin, davina, davino, deadpan, deafen, debaun, debnam, debona, debono, deepen, defame, defina, define, defino, dehaven, depina, deppen, devan, devane, devaney, devany, deveney, devenney, devenny, deveny, devin, devine, deviney, devinney, devino, devon, devona, devonian, diaphonia, dibona, dibuono, diffin, difm, divan, diven, divine, diviney, dobbin, dopamine, dubin, dubinin, duffin