pogrom

n organized persecution or killing of a particular group or class of people, esp because of their race or religion （有组织的）集体迫害或杀戮（尤指因种族或宗教矛盾所致的）.

pocket-knife, pocket-money, pocketful, pod, podginess, podgy, podiatrist, podiatry, podium, poem, poet, Poet Laureate (also Laureate), poetess, poetic, poetic justice, poetic licence, poetical, poetically, poetry, pogo, poignancy, poignant, poignantly, poinsettia, point, point at, point blank, point for point, point of view, point out, point to, point-blank, point-duty, point-to-point, pointed, pointer, pointillism, pointillist, pointing, pointless,