| 1 | 甲 | 甲 | jiǎ | jia3 | first of the ten Heavenly Stems 十天干 ; (used for an unspecified person or thing); first (in a list, as a party to a contract etc); letter "A" or roman "I" in list "A, B, C", or "I, II, III" etc; armor plating; shell or carapace; (of the fingers or toes) nail; bladed leather or metal armor (old); ranking system used in the Imperial examinations (old); civil administration unit in the baojia 保甲 system (old); ancient Chinese compass point: 75° | | |
| 2 | 甲烷 | 甲烷 | jiǎ wán | jia3 wan2 | methane CH4 | | |
| 3 | 甲板 | 甲板 | jiǎ bǎn | jia3 ban3 | deck (of a boat etc) | | |
| 4 | 甲状腺 | 甲狀腺 | jiǎ zhuàng xiàn | jia3 zhuang4 xian4 | thyroid gland | | |
| 5 | 甲二醇 | 甲二醇 | jiǎ èr chún | jia3 er4 chun2 | methylene glycol | | |
| 6 | 甲基苯丙胺 | 甲基苯丙胺 | jiǎ jī běn bǐng àn | jia3 ji1 ben3 bing3 an4 | methamphetamine | | |
| 7 | 甲基安非他命 | 甲基安非他命 | jiǎ jī ān fēi tā mìng | jia3 ji1 an1 fei1 ta1 ming4 | methamphetamine | | |
| 8 | 甲基 | 甲基 | jiǎ jī | jia3 ji1 | methyl group (chemistry) | | |
| 9 | 甲骨文字 | 甲骨文字 | jiǎ gǔ wén zì | jia3 gu3 wen2 zi4 | oracle script; oracle bone character (an early form of Chinese script) | | |
| 10 | 甲骨文 | 甲骨文 | jiǎ gǔ wén | jia3 gu3 wen2 | oracle script; oracle bone inscriptions (an early form of Chinese script) | | |
| 11 | 甲骨 | 甲骨 | jiǎ gǔ | jia3 gu3 | tortoise shell and animal bones used in divination; oracle bone inscriptions (an early form of Chinese script) | | |
| 12 | 甲沟炎 | 甲溝炎 | jiǎ gōu yán | jia3 gou1 yan2 | paronychia (medicine) | | |
| 13 | 甲紫 | 甲紫 | jiǎ zǐ | jia3 zi3 | first year of the sixty-year cycle (where each year is numbered with one of the 10 heavenly stems 天干 ); the sixty-year cycle; gentian violet | | |
| 14 | 甲酚 | 甲酚 | jiǎ fēn | jia3 fen1 | cresol (chemistry) | | |
| 15 | 甲方 | 甲方 | jiǎ fāng | jia3 fang1 | first party (law); see also 乙方 | | |
| 16 | 甲第 | 甲第 | jiǎ dì | jia3 di4 | residence of a noble; top candidate in the imperial examinations | | |
| 17 | 甲等 | 甲等 | jiǎ děng | jia3 deng3 | grade A; first-class | | |
| 18 | 甲醇中毒 | 甲醇中毒 | jiǎ chún zhōng dú | jia3 chun2 zhong1 du2 | methyl alcohol poisoning | | |
| 19 | 甲醇 | 甲醇 | jiǎ chún | jia3 chun2 | methyl alcohol; methanol CH3OH; wood alcohol; wood spirit | | |
| 20 | 甲虫车 | 甲蟲車 | jiǎ chóng chē | Jia3 chong2 che1 | Volkswagen Beetle | | |
| 21 | 甲虫 | 甲蟲 | jiǎ chóng | jia3 chong2 | beetle | | |
| 22 | 甲辰 | 甲辰 | jiǎ chén | jia3 chen2 | 41st year A5 of the 60 year cycle, e.g. 1964 or 2024 | | |
| 23 | 甲苯 | 甲苯 | jiǎ běn | jia3 ben3 | toluene C6H5CH3; methylbenzene | | |
| 24 | 甲胺磷 | 甲胺磷 | jiǎ àn lín | jia3 an4 lin2 | methamidophos (chemistry) | | |
| 25 | 甲胺 | 甲胺 | jiǎ àn | jia3 an4 | methylamine | | |