| 1 | 异 | 異 | yì | yi4 | different; other; hetero-; unusual; strange; surprising; to distinguish; to separate; to discriminate | | |
| 2 | 异常 | 異常 | yì cháng | yi4 chang2 | exceptional; abnormal; an anomaly | | |
| 3 | 异性 | 異性 | yì xìng | yi4 xing4 | the opposite sex; of the opposite sex; heterosexual; different in nature | | |
| 4 | 异化 | 異化 | yì huà | yi4 hua4 | alienation (philosophy); (of speech) dissimilation | | |
| 5 | 异样 | 異樣 | yì yàng | yi4 yang4 | difference; peculiar | | |
| 6 | 异物 | 異物 | yì wù | yi4 wu4 | rarity; rare delicacy; foreign matter; alien body; the dead; ghost; monstrosity; alien life-form | | |
| 7 | 异口同声 | 異口同聲 | yì kǒu tóng shēng | yi4 kou3 tong2 sheng1 | different mouths, same voice; to speak in unison (idiom) | | |
| 8 | 异面直线 | 異面直線 | yì miàn zhí xiàn | yi4 mian4 zhi2 xian4 | (math.) skew lines | | |
| 9 | 异味 | 異味 | yì wèi | yi4 wei4 | unpleasant odor | | |
| 10 | 异端者 | 異端者 | yì duān zhě | yi4 duan1 zhe3 | a heretic | | |
| 11 | 异咯嗪 | 異咯嗪 | yì gē qín | yi4 ge1 qin2 | isoalloxazine (name of organic chemical) | | |
| 12 | 异端 | 異端 | yì duān | yi4 duan1 | heresy | | |
| 13 | 异读词 | 異讀詞 | yì dú cí | yi4 du2 ci2 | word having alternative pronunciations | | |
| 14 | 异构 | 異構 | yì gòu | yi4 gou4 | isomeric (chemistry) | | |
| 15 | 异读 | 異讀 | yì dú | yi4 du2 | variant pronunciation (when the same character has more than one reading) | | |
| 16 | 异构体 | 異構體 | yì gòu tǐ | yi4 gou4 ti3 | isomer (chemistry) | | |
| 17 | 异地恋 | 異地戀 | yì dì liàn | yi4 di4 lian4 | long-distance romance; long-distance relationship | | |
| 18 | 异族 | 異族 | yì zú | yi4 zu2 | different tribe | | |
| 19 | 异地而处 | 異地而處 | yì dì ér chǔ | yi4 di4 er2 chu3 | to change places with another person; to be in another man's shoes (idiom) | | |
| 20 | 异地 | 異地 | yì dì | yi4 di4 | different place; abroad | | |
| 21 | 异彩纷呈 | 異彩紛呈 | yì cǎi fēn chéng | yi4 cai3 fen1 cheng2 | A dazzling array of colors | | |
| 22 | 异才 | 異才 | yì cái | yi4 cai2 | extraordinary talent | | |
| 23 | 异步 | 異步 | yì bù | yi4 bu4 | asynchronous | | |
| 24 | 异病同治 | 異病同治 | yì bìng tóng zhì | yi4 bing4 tong2 zhi4 | to use the same method to treat different diseases (TCM) | | |
| 25 | 异丙苯 | 異丙苯 | yì bǐng běn | yi4 bing3 ben3 | (chemistry) isopropylbenzene C9H12 (aka cumene) | | |