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