Olympics

奥林匹克运动会比赛项目(=Olympic Games)

old-time, old-timer, old-world, olden, oldie, oldish, oldster, oleaginous, oleander, olfaction, olfactory, oligarch, oligarchy, olive, olive oil, olive-branch, Olympiad, Olympian, Olympic, Olympic Games, OM, ombudsman, omega, omelet, omelette (also omelet), omen, ominous, ominously, omission, omit, omni-, omnibus, omnipotence, omnipotent, omnipresent, omniscience, omniscient, omnivorous, on, on (the/an) average,