Chinese words pronounced gu (any tone) 61 words, in the 3 tones gu is read in. gū (1st tone) 23 words 骨(gū) used in 骨碌碌 gūlùlù 孤(gū) lone 姑(gū) paternal aunt 箍(gū) hoop 沽(gū) buy 估(gū) estimate 咕(gū) for the sound of a bird, an empty stomach etc 菇(gū) mushroom 辜(gū) crime 呱(gū) wail of a baby 毂(gū) used in 毂辘 gūlu 蛄(gū) see 蝼蛄 lóugū 骨(gū) used in 骨碌碌 gūlùlù 孤(gū) lone 姑(gū) paternal aunt 箍(gū) hoop 沽(gū) buy 估(gū) estimate 咕(gū) for the sound of a bird, an empty stomach etc 菇(gū) mushroom 辜(gū) crime 呱(gū) wail of a baby 轂(gū) used in 毂辘 gūlu 蛄(gū) see 蝼蛄 lóugū All 23 words pronounced gū gǔ (3rd tone) 29 words 股(gǔ) thigh 古(gǔ) ancient 骨(gǔ) bone 谷(gǔ) grain 鼓(gǔ) drum 贾(gǔ) merchant 钴(gǔ) cobalt 鹄(gǔ) goal 蛊(gǔ) poison 鹘(gǔ) used in 鹘鸼 gǔzhōu 毂(gǔ) hub of wheel 牯(gǔ) bullock 股(gǔ) thigh 古(gǔ) ancient 骨(gǔ) bone 穀(gǔ) grain 鼓(gǔ) drum 賈(gǔ) merchant 鈷(gǔ) cobalt 鵠(gǔ) goal 蠱(gǔ) poison 鶻(gǔ) used in 鹘鸼 gǔzhōu 轂(gǔ) hub of wheel 牯(gǔ) bullock All 29 words pronounced gǔ gù (4th tone) 13 words 故(gù) happening 顾(gù) look after 固(gù) hard 雇(gù) employ 估(gù) used in 估衣 gùyi 锢(gù) obstinate disease 崮(gù) steep-sided flat-topped mountain 鲴(gù) Xenocypris, genus of cyprinid fish found in eastern Asia 梏(gù) braces 痼(gù) obstinate disease 堌(gù) place name 凅(gù) dried up 故(gù) happening 顧(gù) look after 固(gù) hard 雇(gù) employ 估(gù) used in 估衣 gùyi 錮(gù) obstinate disease 崮(gù) steep-sided flat-topped mountain 鯝(gù) Xenocypris, genus of cyprinid fish found in eastern Asia 梏(gù) braces 痼(gù) obstinate disease 堌(gù) place name 凅(gù) dried up All 13 words pronounced gù