Refinement rhymes with:
confinement, alignment, assignment, confinement, consignment, realignment, reassignment, abandonment, adjournment, adornment, alignment, apportionment, arraignment, assignment, atonement, attainment, confinement, consignment, containment, discernment, disillusionment, enlightenment, entertainment, environment, imprisonment, infotainment, internment, misgovernment, nongovernment, postponement, realignment, reapportionment, reassignment, self-government
Refinement sounds like:
reappoint, reappointed, rebound, rebounded, refined, refund, refunded, reoffend, reoffended, reopened, repaint, repainted, repayment, repent, repented, reppond, ripened, robinett, robinette, robinhood, robnett