| 比索 | Bǐ suǒ | Peso (currency in Latin America) |
| 求索 | qiú suǒ | to search for sth; to seek; to quest; to explore |
| 汤姆・索亚历险记 | Tāng mǔ · Suǒ yà lì xiǎn jì | Adventures of Tom Sawyer by Mark Twain 馬克·马克·吐温 |
| 汤姆索亚历险记 | Tāng mǔ Suǒ yà lì xiǎn jì | Adventures of Tom Sawyer by Mark Twain |
| 滑雪索道 | huá xuě suǒ dào | ski-lift |
| 澡垢索疵 | zǎo gòu suǒ cī | to wash the dirt to find a defect (idiom); to find fault; to nitpick |
| 狄俄倪索斯 | Dí é ní suǒ sī | Dionysus, the god of wine in Greek mythology |
| 玩索 | wán suǒ | to search for subtle traces; to ponder |
| 毕加索 | Bì jiā suǒ | Picasso |
| 卢克索 | Lú kè suǒ | Luxor (name) |
| 神经索 | shén jīng suǒ | spinal chord |
| 科索沃 | Kē suǒ wò | Kosovo |
| 穆索尔斯基 | Mù suǒ ěr sī jī | Modest Mussorgsky (1839-1881), Russian composer, composer of Pictures at an Exhibition |
| 索杰纳 | Suǒ jié nà | Sojourner (Martian land rover) |
| 索价 | suǒ jià | to ask a price; to charge; asking price |
| 索具装置 | suǒ jù zhuāng zhì | rig |
| 索命 | suǒ mìng | to demand sb's life |
| 索国 | Suǒ Guó | Solomon Islands |
| 索多玛 | Suǒ duō mǎ | Sodom |
| 索多玛与哈摩辣 | Suǒ duō mǎ yǔ Hā mó là | Sodom and Gomorrah |
| 索契 | Suǒ qì | Sochi (city on the Black Sea in Russia) |
| 索尼 | Suǒ ní | Sony |
| 索戈拉特斯 | Suǒ gē lā tè sī | Socrates (name); Jose Socrates, prime minister of Portugal from 2005 |
| 索普 | Suǒ pǔ | Thorpe (name) |
| 索然 | suǒ rán | dull; dry |
| 索尔 | Suǒ ěr | Thor (Norse god of thunder) |
| 索尔仁尼琴 | Suǒ ěr rén ní qín | Alexandr Solzhenitsyn (1918-2008), Russian writer, prominent Soviet dissident, author of the Gulag Archipelago |
| 索尔兹伯里平原 | Suǒ ěr zī bó lǐ píng yuán | Salisbury plain |
| 索尔兹伯里石环 | Suǒ ěr zī bó lǐ shí huán | Stonehenge; Salisbury stone circle |
| 索福克勒斯 | Suǒ fú kè lè sī | Sophocles (496-406 BC), Greek tragedian, author of Oedipus the King |
| 索福克里斯 | Suǒ fú kè lǐ sī | Sophocles (496-406 BC), Greek playwright |
| 索索 | suǒ suǒ | trembling |
| 索绪尔 | Suǒ xù ěr | Saussure (name) |
| 索县 | Suǒ xiàn | Sog county, Tibetan: Sog rdzong, in Nagchu prefecture 那曲地区, central Tibet |
| 索罗斯 | Suǒ luó sī | Soros (name); George Soros or György Schwartz (1930-), Hungarian American financial speculator and millionaire philanthropist |
| 索罗门 | Suǒ luó mén | Solomon (name); Solomon (Islands) |
| 索菲亚 | Suǒ fēi yà | Sofia (city in Bulgaria) |
| 索贿 | suǒ huì | to exact bribes; to solicit bribes; to demand bribes; to extort |
| 索邦大学 | Suǒ bāng dà xué | Université Paris IV; the Sorbonne |
| 索里亚 | Suǒ lǐ yà | Soria, Spain |
| 索马利 | Suǒ mǎ lì | variant of 索马里 |
| 索马利亚 | Suǒ mǎ lì yà | Somalia |
| 索马里亚 | Suǒ mǎ lǐ yà | variant of 索马利亚 |
| 绞索 | jiǎo suǒ | a noose for hanging criminals |
| 纵神经索 | zòng shén jīng suǒ | longitudinal nerve cord |
| 绳索套 | shéng suǒ tào | a noose |
| 缆索 | lǎn suǒ | cable; hawser; mooring rope |
| 缆索吊椅 | lǎn suǒ diào yǐ | ski-lift |
| 罗摩诺索夫 | Luó mó nuò suǒ fū | Mikhail Vasilyevich Lomonosov (1711-1765), famous Russian chemist and polymath |
| 罗摩诺索夫山脊 | Luó mó nuò suǒ fū shān jǐ | Lomonosov ridge (in the Artic Ocean) |
