| 1 | 儿 | 兒 | ér | er2 | child; son | | |
| 2 | 儿童 | 兒童 | ér tóng | er2 tong2 | child; Classifiers: 个 | | |
| 3 | 儿子 | 兒子 | ér zi | er2 zi5 | son | | |
| 4 | 女儿 | 女兒 | nǚ ér | nu:3 er2 | daughter | | |
| 5 | 婴儿 | 嬰兒 | yīng ér | ying1 er2 | infant; baby; Classifiers: 个 ; lead (Pb) | | |
| 6 | 儿女 | 兒女 | ér nǚ | er2 nu:3 | children; sons and daughters | | |
| 7 | 幼儿 | 幼兒 | yòu ér | you4 er2 | young child; infant; preschooler | | |
| 8 | 胎儿 | 胎兒 | tāi ér | tai1 er2 | unborn child; fetus; embryo | | |
| 9 | 小儿 | 小兒 | xiǎo ér | xiao3 er2 | young child; (humble) my son | | |
| 10 | 幼儿园 | 幼兒園 | yòu ér yuán | you4 er2 yuan2 | kindergarten; nursery school | | |
| 11 | 孩儿 | 孩兒 | hái ér | hai2 er2 | child | | |
| 12 | 孤儿 | 孤兒 | gū ér | gu1 er2 | orphan | | |
| 13 | 托儿所 | 托兒所 | tuō ér suǒ | tuo1 er2 suo3 | nursery | | |
| 14 | 乳儿 | 乳兒 | rǔ ér | ru3 er2 | nursing infant; child less than one year old | | |
| 15 | 皇帝女儿不愁嫁 | 皇帝女兒不愁嫁 | huáng dì nǚ ér bù chóu jià | huang2 di4 nu:3 er2 bu4 chou2 jia4 | lit. the emperor's daughter does not worry about whether she will be able to marry (idiom); fig. highly sought after | | |
| 16 | 酸儿辣女 | 酸兒辣女 | suān ér là nǚ | suan1 er2 la4 nu:3 | if a woman likes to eat sour during pregnancy, she will have a boy; if she likes to eat spicy, she will have a girl (idiom) | | |
| 17 | 儿孙 | 兒孫 | ér sūn | er2 sun1 | descendant | | |
| 18 | 儿孙满堂 | 兒孫滿堂 | ér sūn mǎn táng | er2 sun1 man3 tang2 | to have children and grandchildren (idiom) | | |
| 19 | 儿歌 | 兒歌 | ér gē | er2 ge1 | nursery rhyme | | |
| 20 | 直同儿戏 | 直同兒戲 | zhí tóng ér xì | zhi2 tong2 er2 xi4 | It's mere child's-play. (idiom) | | |
| 21 | 儿茶素 | 兒茶素 | ér chá sù | er2 cha2 su4 | catechin (biochemistry) | | |
| 22 | 儿不嫌母丑,狗不嫌家贫 | 兒不嫌母醜,狗不嫌家貧 | ér bù xián mǔ chǒu , gǒu bù xián jiā pín | er2 bu4 xian2 mu3 chou3 , gou3 bu4 xian2 jia1 pin2 | a son won't abandon his mother for being ugly, just as a dog won't abandon its owner for being poor (proverb) | | |
| 23 | 笛卡儿坐标制 | 笛卡兒座標制 | dí kǎ ér zuò biāo zhì | Di2 ka3 er2 zuo4 biao1 zhi4 | Cartesian coordinate system | | |
| 24 | 宠儿 | 寵兒 | chǒng ér | chong3 er2 | pet; favorite; darling | | |
| 25 | 产儿 | 產兒 | chǎn ér | chan3 er2 | newborn baby; fig. brand-new object | | |