| 抗菌甲硝唑 | kàng jūn jiǎ xiāo zuò | anti-bacterial metronidazole |
| 披甲 | pī jiǎ | to don armor |
| 拇指甲 | mǔ zhǐ jia | thumbnail |
| 指甲刀 | zhǐ jia dāo | nail clipper |
| 指甲剪 | zhǐ jia jiǎn | nail clipper |
| 指甲油 | zhǐ jia yóu | nail polish |
| 救生艇甲板 | jiù shēng tǐng jiǎ bǎn | boat deck (upper deck on which lifeboats are stored) |
| 枕戈寝甲 | zhěn gē qǐn jiǎ | to sleep on one's armor with spear by the pillow (idiom); ready for battle; determined to kill the enemy; Be prepared! |
| 案兵束甲 | àn bīng shù jiǎ | to rest weapons and loosen armor (idiom); to relax from fighting |
| 案甲休兵 | àn jiǎ xiū bīng | to put down weapon and let soldiers rest (idiom); to relax from fighting |
氨基甲酸酯类化合 物 | ān jī jiǎ suān zhǐ lèi huà hé wù | carbamate |
| 氯甲烷 | lǜ jiǎ wán | methyl chloride CH3Cl |
| 氰溴甲苯 | qíng xiù jiǎ běn | cyanobenzyl bromide |
| 满城尽带黄金甲 | Mǎn chéng jìn dài huáng jīn jiǎ | Curse of the Golden Flower (2007), period drama movie by Zhang Yimou |
| 甲二醇 | jiǎ èr chún | methylene glycol |
| 甲亢 | jiǎ kàng | hyperthyroidism; abbr. for 甲状腺功能亢进 |
| 甲仙 | Jiǎ xiān | Jiaxian or Chiahsien township in Kaohsiung county 高雄县, southwest Taiwan |
| 甲仙乡 | Jiǎ xiān xiāng | Jiaxian or Chiahsien township in Kaohsiung county 高雄县, southwest Taiwan |
| 甲午 | jiǎ wǔ | thirty first year A7 of the 60 year cycle, e.g. 1954 or 2014; cf 甲午战争, the first Sino-Japanese War of 1894-95 |
| 甲型 | jiǎ xíng | type A; type I; alpha- |
| 甲型肝炎 | jiǎ xíng gān yán | hepatitis A |
| 甲基安非他命 | jiǎ jī ān fēi tā mìng | methamphetamine |
| 甲基苯丙胺 | jiǎ jī běn bǐng àn | methamphetamine |
| 甲寅 | jiǎ yín | fifty first year A3 of the 60 year cycle, e.g. 1974 or 2034 |
| 甲形球蛋白 | jiǎ xíng qiú dàn bái | alpha globulin; alpha fetoprotein (AFP) |
| 甲戌 | jiǎ xū | eleventh year A11 of the 60 year cycle, e.g. 1994 or 2054 |
| 甲方 | jiǎ fāng | first party (law); see also 乙方 |
| 甲替色氨酸 | jiǎ tì sè ān suān | abrin |
| 甲壳动物 | jiǎ qiào dòng wù | crustacean |
| 甲壳素 | jiǎ qiào sù | chitin |
| 甲壳虫 | jiǎ qiào chóng | beetle; order Coleoptera; the Beatles (1960s UK pop group) |
| 甲壳虫类 | jiǎ ké chóng lèi | coleoptera |
| 甲壳类 | jiǎ qiào lèi | crustacean |
| 甲氧西林 | jiǎ yǎng xī lín | methicillin (a semi-synthetic penicillin) |
| 甲氨基 | jiǎ ān jī | methyalamino group |
| 甲流 | jiǎ liú | type A influenza; abbr. for 甲形H1N1流感; refers to H1N1 influenza of 2009 |
| 甲状 | jiǎ zhuàng | thyroid (gland) |
| 甲状腺功能亢进 | jiǎ zhuàng xiàn gōng néng kàng jìn | hyperthyroidism; abbr. to 甲亢 |
| 甲状腺素 | jiǎ zhuàng xiàn sù | thyroid hormone; thyroxine (used to treat underactive thyroid) |
| 甲申 | jiǎ shēn | twenty first year A9 of the 60 year cycle, e.g. 2004 or 2064 |
| 甲申政变 | Jiǎ shēn zhèng biàn | unsuccessful and bloody Korean palace coup in 1884 by westernisers against conservatives, crushed by Qing troops |
| 甲硝唑 | jiǎ xiāo zuò | metronidazole (antibacterial agent); Flagyl (US) |
| 甲硫氨酸 | jiǎ liú ān suān | methionine (Met), an essential amino acid |
| 甲磺磷定 | jiǎ huáng lín dìng | pralidoxime mesylate |
| 甲等 | jiǎ děng | grade A; first-class |
| 甲级 | jiǎ jí | first rate; top class; excellent |
| 甲级战犯 | jiǎ jí zhàn fàn | a grade A war criminal |
| 甲紫 | jiǎ zǐ | gentian violet |
| 甲肝 | jiǎ gān | hepatitis A |
| 甲胄 | jiǎ zhòu | armor |