Reinforcement rhymes with:
enforcement, enforcement, endorsement, enforcement, endorsement, enforcement, advancement, announcement, announcment, assessment, basement, bemusement, commencement, debasement, disbursement, displacement, embarrassment, emplacement, endorsement, enforcement, engrossment, enhancement, enticement, financement, harassment, impressment, inducement, osment, outplacement, placement, pronouncement, reassessment, reimbursement, replacement, retracement