| 古 | gǔ | ancient; old; paleo-; surname Gu |
| 古代 | gǔ dài | ancient times; olden times |
| 古巴 | Gǔ bā | Cuba |
| 古老 | gǔ lǎo | ancient; old; age-old |
| 古人 | gǔ rén | people from ancient times; the ancients; the late (i.e. person who has passed away) |
| 古典 | gǔ diǎn | classical |
| 古文 | gǔ wén | old language; the Classics; classical Chinese as a literary model, esp. in Tang and Song prose; classical Chinese as a school subject |
| 古今 | gǔ jīn | then and now; ancient and modern |
| 古迹 | gǔ jì | places of historic interest; historical sites; CL:个 |
| 古典文学 | gǔ diǎn wén xué | classical literature |
| 古籍 | gǔ jí | antiquarian book |
| 古书 | gǔ shū | ancient book; old book |
| 古城 | gǔ chéng | old town |
| 古怪 | gǔ guài | eccentric; grotesque; oddly; queer |
| 古诗 | gǔ shī | old verse; classical Chinese poem |
| 古今中外 | gǔ jīn zhōng wài | at all times and in all places (idiom) |
| 古董 | gǔ dǒng | curio; antique |
| 古物 | gǔ wù | antique |
| 古来 | gǔ lái | since ancient times; it has ever been the case that; see also 自古以来 |
| 古时候 | gǔ shí hou | in ancient times; in olden days |
| 古旧 | gǔ jiù | archaic |
| 古都 | gǔ dū | the old capital |
| 古往今来 | gǔ wǎng jīn lái | since ancient times; since times immemorial |
| 古生物 | gǔ shēng wù | paleo-organism |
| 古丈 | Gǔ zhàng | Guzhang county in Xiangxi Tujia and Miao autonomous prefecture 湘西土家族苗族自治州 |
| 古丈县 | Gǔ zhàng xiàn | Guzhang county in Xiangxi Tujia and Miao autonomous prefecture 湘西土家族苗族自治州 |
| 古交 | Gǔ jiāo | Gujiao county level city in Taiyuan 太原, Shanxi |
| 古交市 | Gǔ jiāo shì | Gujiao county level city in Taiyuan 太原, Shanxi |
| 古人类 | gǔ rén lèi | ancient hominid species such as Homo erectus, Neanderthal man etc |
| 古今小说 | Gǔ jīn xiǎo shuō | Tales old and new by Feng Menglong 冯梦龙, collection of late Ming baihua 白话 tales |
| 古代史 | gǔ dài shǐ | ancient history |
| 古杰拉尔 | Gǔ jié lā ěr | Gujral (name); Inder Kumar Gujral (1919-), Indian Janata politician, prime minister 1997-1998 |
| 古杰拉特邦 | Gǔ jié lā tè bāng | Gujarat, Indian state |
| 古典乐 | gǔ diǎn yuè | classical music (mainly western) |
| 古典派 | gǔ diǎn pài | classicists |
| 古典语言 | gǔ diǎn yǔ yán | classical language |
| 古典音乐 | gǔ diǎn yīn yuè | classical music |
| 古冶 | Gǔ yě | Guye district of Tangshan city 唐山市, Hebei |
| 古冶区 | Gǔ yě qū | Guye district of Tangshan city 唐山市, Hebei |
| 古刹 | gǔ chà | old Buddhist temple |
| 古北界 | gǔ běi jiè | northern Eurasia (in geography) |
| 古史 | gǔ shǐ | ancient history |
| 古吉拉特 | Gǔ jí lā tè | Gujarat, state in west India |
| 古吉拉特邦 | Gǔ jí lā tè bāng | Gujarat, state in west India |
| 古国 | gǔ guó | ancient country |
| 古地磁 | gǔ dì cí | paleomagnetism |
| 古坑 | Gǔ kēng | Gukeng or Kukeng township in Yunlin county 云林县, Taiwan |
| 古坑乡 | Gǔ kēng xiāng | Gukeng or Kukeng township in Yunlin county 云林县, Taiwan |
| 古城区 | Gǔ chéng qū | Old town district; Gucheng district of Lijiang city 丽江市, Yunnan |
| 古堡 | gǔ bǎo | ancient castle |
