regatta

n sporting event at which races are held between rowing-boats or yachts 划船比赛; 赛艇会.

refund, refundable, refurbish, refusal, refuse, refuse collector, refuse to do, refutable, refutation, refute, regain, regal, regale, regalia, regally, regard, regard...as, regarding, regardless, regardless of, regd, regency, regenerate, regeneration, regenerative, regent, regent (often 常作 Regent), reggae, regicide, regime, regimen, regiment, regimental, regimentals, regimentation, Regina, region, regional, regionalization, regionalize,