Chinese words pronounced xu (any tone) 63 words, in the 4 tones xu is read in. xū (1st tone) 24 words 需(xū) to require 须(xū) must 虚(xū) emptiness 墟(xū) ruins 嬬(xū) mistress, concubine 需(xū) to require 須(xū) must 鬚(xū) beard 虛(xū) emptiness 墟(xū) ruins All 24 words pronounced xū xú (2nd tone) 1 words 徐(xú) slowly 徐(xú) slowly xǔ (3rd tone) 10 words 许(xǔ) to allow 诩(xǔ) to brag 栩(xǔ) jolcham oak 姁(xǔ) chatter like old woman 醑(xǔ) spiritus 許(xǔ) to allow 詡(xǔ) to brag 栩(xǔ) jolcham oak 姁(xǔ) chatter like old woman 醑(xǔ) spiritus All 10 words pronounced xǔ xù (4th tone) 28 words 叙(xù) to narrate 序(xù) order 续(xù) to continue 畜(xù) to raise 蓄(xù) to store up 敘(xù) to narrate 序(xù) order 續(xù) to continue 畜(xù) to raise 蓄(xù) to store up All 28 words pronounced xù