Haymakers rhymes with:
automaker's, automakers, automakers', carmaker's, carmakers, carmakers', chipmakers, dealmakers, dressmakers, drugmakers, filmmaker's, filmmakers, foodmaker's, foodmakers, homemakers, kingmakers, lawmaker's, lawmakers, marketmakers, matchmakers, moneymakers, moviemakers, newsmakers, oddsmakers, pacemakers, peacemaker's, peacemakers, policymakers, printmakers, shoemakers, steelmaker's, steelmakers, toolmakers, toymakers, troublemakers
Haymakers sounds like:
hangars, hangers, homemakers, honecker's, hungary's