Pluto

n (astronomy 天) the planet ninth in order and furthest from the sun 冥王星.

plummet, plummy, plump, plumpness, plunder, plunderer, plunge, plunger, plunk, pluperfect, plural, pluralism, pluralist, pluralist (also pluralistic), plurality, plus, plus-fours, plush, plushiness, plushy, plutocracy, plutocrat, plutocratic, plutonium, ply, plywood, PM, PMT, pneumatic, pneumatically, pneumonia, PO, po-faced, poach, poacher, POB, pock, pock-marked, pocked, pocket,