Confining rhymes with:
affining, defining, fining, redefining, refining, affining, aligning, assigning, breining, brining, combining, declining, defining, designing, dining, divining, fining, lining, mining, opining, pining, realigning, reassigning, reclining, redefining, redesigning, refining, resigning, shining, signing, twining, vanhyning, vining, whining, wining
Confining sounds like:
campanis, camping, champion's, championing, champions, chimpanzee, chimpanzees, chomping, combines, combing, combining, comeuppance, comfinance, companies, companies', companies's, companions, company's, confines, connivance, conniving, convenes, convenience, conveniences, convening, conveyance, conveying, convince, convinces