| ér | son |
| 儿 | son |
| 儿化 | nonsyllabic final r 儿 added to a word in spoken Chinese also called retroflex final or r-ization |
| 儿化韵 | retroflex final nonsyllabic final r 儿 added to a word in spoken Chinese |
| 儿女 | children sons and daughters |
| 儿女亲家 | The relationship which is established between a couple's parents after their marriage. |
| 儿女情长 | deep love between man and woman |
| 儿女英雄传 | The Gallant Maid, novel by Manchu-born Qing dynasty writer 文康 |
| 儿媳 | daughter-in-law |
| 儿媳妇儿 | daughter-in-law |
| 儿子 | son |
| 儿孙 | descendant |
| 儿戏 | playgame; kidstuff; frivol |
| 儿时 | childhood |
| 儿歌 | nursery rhyme |
| 儿男 | man; son; boy |
| 儿皇帝 | puppet emperor |
| 儿科 | pediatrics |
| 儿科医生 | pediatrician |
| 儿童 | child CL:個|个 |
| 儿童乐园 | children's playground |