| 内在坐标 | nèi zài zuò biāo | intrinsic coordinates (geometry) |
| 内在的 | nèi zài de | inner; internal |
| 内城 | nèi chéng | inner castle; donjon |
| 内埔 | Nèi bù | Neipu township in Pingtung county 屏东县, Taiwan |
| 内埔乡 | Nèi bù xiāng | Neipu township in Pingtung county 屏东县, Taiwan |
| 内塔尼亚胡 | Nèi tǎ ní yà hú | Netanyahu (name); Benjamin Netanyahu (1949-), Israeli Likud politician, prime minister 1996-1999 and from 2009 |
| 内定 | nèi dìng | decision to appoint an official that is kept secret among the hierarchy |
| 内容管理系统 | nèi róng guǎn lǐ xì tǒng | Content Management System (CMS) (Internet) |
| 内层 | nèi céng | internal layer |
| 内布拉斯加 | Nèi bù lā sī jiā | Nebraska, US state |
| 内布拉斯加州 | Nèi bù lā sī jiā zhōu | Nebraska, US state |
| 内幕交易 | nèi mù jiāo yì | insider trading; insider dealing |
| 内弟 | nèi dì | wife's younger brother |
| 内径 | nèi jìng | internal diameter |
| 内忧外困 | nèi yōu wài kùn | internal trouble and outside aggression (idiom); in a mess both domestically and abroad |
| 内忧外患 | nèi yōu wài huàn | internal trouble and outside aggression (idiom); in a mess both domestically and abroad |
| 内政部 | nèi zhèng bù | Ministry of the Interior |
| 内政部警政署 | Nèi zhèng bù Jǐng zhèng shǔ | National Police Agency (Taiwan) |
| 内政部长 | nèi zhèng bù zhǎng | Minister of the Interior |
| 内核 | nèi hé | kernel (computer science) |
| 内比都 | Nèi bǐ dū | Naypyidaw or Nay Pyi Taw, jungle capital of Myanmar (Burma) since November 2005, 300 km north of Rangoon and 300 km south of Mandalay; formerly called Pyinmana 彬马那 |
| 内江 | Nèi jiāng | Neijiang prefecture level city in Sichuan |
| 内江地区 | Nèi jiāng dì qū | Neijiang prefecture in Sichuan |
| 内江市 | Nèi jiāng shì | Neijiang prefecture level city in Sichuan |
| 内流 | nèi liú | inward flowing (of river); flowing into desert |
| 内流河 | nèi liú hé | inward flowing river; river flowing into desert or salt lake, e.g. Tarim river 塔里木河 |
| 内涵意义 | nèi hán yì yì | implied meaning; intended meaning; the logical content of a word or technical notion |
| 内湖 | Nèi hú | Neihu district of Taipei City 台北市, Taiwan |
| 内湖区 | Nèi hú qū | Neihu district of Taipei City 台北市, Taiwan |
| 内源 | nèi yuán | source |
| 内熵 | nèi shāng | internal entropy (physics) |
| 内燃 | nèi rán | internal combustion (engine) |
| 内营力 | nèi yíng lì | internal force; endogenic force |
| 内爆 | nèi bào | to implode |
| 内爆法原子弹 | nèi bào fǎ yuán zǐ dàn | implosion atomic bomb |
| 内生的 | nèi shēng de | endogenous |
| 内疚 | nèi jiù | a guilty conscience; to feel a twinge of guilt |
| 内省性 | nèi xǐng xìng | introversion; introspective |
| 内眷 | nèi juàn | the females in a family; womenfolk |
| 内眼角 | nèi yǎn jiǎo | inner corner of the eye |
| 内码 | nèi mǎ | to encode |
| 内科学 | nèi kē xué | internal medicine |
| 内科医生 | nèi kē yī shēng | medical doctor; physician who works primarily by administering drugs, as opposed to surgeon 外科医生 |
| 内稃 | nèi fū | inner husk |
| 内积 | nèi jī | inner product; the dot product of two vectors |
| 内细胞团 | nèi xì bāo tuán | inner cell mass (ICM) |
| 内线交易 | nèi xiàn jiāo yì | insider trading (illegal share-dealing) |
| 内线消息 | nèi xiàn xiāo xi | insider information |
| 内置 | nèi zhì | internal; internally installed |
| 内耳 | nèi ěr | inner ear |
