Chinese words pronounced xiào (4th tone) xiao in any tone, all 44 words 9 words. 笑(xiào) to laugh 校(xiào) school 孝(xiào) filial piety or obedience 效(xiào) to imitate 肖(xiào) similar 啸(xiào) to whistle 哮(xiào) pant 恔(xiào) cheerful 薢(xiào) woody climbing plant 9 words. 笑(xiào) to laugh 校(xiào) school 孝(xiào) filial piety or obedience 傚(xiào) to imitate 肖(xiào) similar 嘯(xiào) to whistle 哮(xiào) pant 恔(xiào) cheerful 薢(xiào) woody climbing plant