| 1 | 齿 | 齒 | chǐ | chi3 | tooth; Classifiers: 颗 | | |
| 2 | 齿列矫正器 | 齒列矯正器 | chǐ liè jiǎo zhèng qì | chi3 lie4 jiao3 zheng4 qi4 | see 牙齿矫正器 | | |
| 3 | 齿龈音 | 齒齦音 | chǐ yín yīn | chi3 yin2 yin1 | alveolar, apical, or supradental sound (linguistics) | | |
| 4 | 齿龈炎 | 齒齦炎 | chǐ yín yán | chi3 yin2 yan2 | gingivitis | | |
| 5 | 齿龈 | 齒齦 | chǐ yín | chi3 yin2 | gum; gingiva | | |
| 6 | 齿音 | 齒音 | chǐ yīn | chi3 yin1 | dental consonant | | |
| 7 | 齿牙伶俐 | 齒牙伶俐 | chǐ yá líng lì | chi3 ya2 ling2 li4 | to be eloquent; to be good at talking (idiom) | | |
| 8 | 齿舞群岛 | 齒舞群島 | chǐ wǔ qún dǎo | Chi3 wu3 Qun2 dao3 | Habomai Archipelago (Jp.) | | |
| 9 | 齿条千斤顶 | 齒條千斤頂 | chǐ tiáo qiān jīn dǐng | chi3 tiao2 qian1 jin1 ding3 | rack and pinion jack | | |
| 10 | 齿条齿轮 | 齒條齒輪 | chǐ tiáo chǐ lún | chi3 tiao2 chi3 lun2 | rack and pinion | | |
| 11 | 齿条 | 齒條 | chǐ tiáo | chi3 tiao2 | rack (and pinion) | | |
| 12 | 齿龋 | 齒齲 | chǐ qǔ | chi3 qu3 | tooth decay; caries | | |
| 13 | 齿轮箱 | 齒輪箱 | chǐ lún xiāng | chi3 lun2 xiang1 | gearbox | | |
| 14 | 齿轮传动 | 齒輪傳動 | chǐ lún chuán dòng | chi3 lun2 chuan2 dong4 | gear drive | | |
| 15 | 齿轮 | 齒輪 | chǐ lún | chi3 lun2 | (machine) gear; pinion (gear wheel) | | |
| 16 | 齿列矫正 | 齒列矯正 | chǐ liè jiǎo zhèng | chi3 lie4 jiao3 zheng4 | orthodontic treatment; orthodontics | | |
| 17 | 齿冷 | 齒冷 | chǐ lěng | chi3 leng3 | to sneer | | |
| 18 | 齿孔 | 齒孔 | chǐ kǒng | chi3 kong3 | perforations (on a postage stamp) | | |
| 19 | 齿鲸 | 齒鯨 | chǐ jīng | chi3 jing1 | toothed whales; Odontoceti | | |
| 20 | 齿颊生香 | 齒頰生香 | chǐ jiá shēng xiāng | chi3 jia2 sheng1 xiang1 | lit. to feel the taste in one's mouth (idiom); fig. to water at the mouth; to drool in anticipation | | |
| 21 | 齿嵴 | 齒嵴 | chǐ jǐ | chi3 ji3 | alveolar ridge | | |
| 22 | 齿及 | 齒及 | chǐ jí | chi3 ji2 | to mention; referring to | | |
| 23 | 齿冠 | 齒冠 | chǐ guān | chi3 guan1 | crown of tooth | | |
| 24 | 齿更 | 齒更 | chǐ gēng | chi3 geng1 | dental transition (from milk teeth to adult teeth) | | |
| 25 | 齿根 | 齒根 | chǐ gēn | chi3 gen1 | root of tooth | | |