刀, a pictographic character of a knife, serves as a semantic component to form characters. Characters formed by the semantic component 刀 express meanings related to the knife, such as 刮, 剃, 删, 削, 剖, 利, 罚, 别, 辨, 割, etc. 刀 also serves as a phonetic component to form characters such as 叨.
Characters formed by the semantic component 刀
| 笔划 | 汉字 | 拼音 | 笔划 | 汉字 | 拼音 |
| 2 | 刀 | dāo | 2 | 刁 | diāo |
| 3 | 刃 | rèn | 3 | 刄 | rèn |
| 4 | 分 | fèn,fēn | 4 | 切 | qiè,qiē |
| 4 | 刅 | chuāng | 5 | 刍 | chú |
| 6 | 刕 | lí | 6 | 争 | zhèng,zhēng |
| 7 | 初 | chū | 7 | 刧 | jié |
| 7 | 免 | miǎn,wèn | 7 | 龟 | guī,jūn,qiū |
| 8 | 券 | quàn,xuàn | 8 | 刱 | chuàng |
| 8 | 刼 | jié | 8 | 兔 | tù |
| 9 | 剏 | chuàng | 10 | 剙 | chuàng |
| 10 | 剓 | lí | 11 | 剪 | jiǎn |
| 11 | 剱 | jiàn | 11 | 亀 | guī |
| 13 | 剺 | lí | 15 | 劈 | pǐ,pī |
| 15 | 劎 | jiàn | 16 | 劒 | jiàn |
| 16 | 劔 | jiàn |