涤 ⇒
洗涤 xǐdí, [洗滌], to rinse/to wash/washing
洗涤剂 xǐdíjì, [洗滌劑], cleaning agent/detergent
涤纶 dílún, [滌綸], polyester fiber
荡涤 dàngdí, [蕩滌], to clean up
涤 dí, [滌], to wash/to cleanse
涤荡 dídàng, [滌蕩], to wash off
洗涤器 xǐdíqì, [洗滌器], washing appliance
汰 ⇒
淘汰 táotài, to wash out/elimination (by selection)/natural selection/to knock out (in a comp...
淘汰赛 táotàisài, [淘汰賽], a knockout competition
汰 tài, to discard/to eliminate
优胜劣汰 yōushèngliètài, [優勝劣汰], survival of the fittest (idiom)
淘汰制