# 書牘
## Chinese
### Pronunciation

* Mandarin
    (Pinyin): shūdú
    (Zhuyin): ㄕㄨ ㄉㄨˊ
* Cantonese (Jyutping): syu$^1$ duk$^6$
* Southern Min (Hokkien, POJ): su-to̍k
* Mandarin
** (Standard Chinese)
*** Hanyu Pinyin: shūdú
*** Zhuyin: ㄕㄨ ㄉㄨˊ
*** Tongyong Pinyin: shudú
*** Wade–Giles: shu$^1$-tu$^2$
*** Yale: shū-dú
*** Gwoyeu Romatzyh: shudwu
*** Palladius: шуду (šudu)
*** Sinological IPA : /ʂu⁵⁵ tu³⁵/
* Cantonese
** (Standard Cantonese, Guangzhou–Hong Kong)
*** Jyutping: syu$^1$ duk$^6$
*** Yale: syū duhk
*** Cantonese Pinyin: sy$^1$ duk$^9$
*** Guangdong Romanization: xu$^1$ dug$^6$
*** Sinological IPA : /syː⁵⁵ tʊk̚²/
* Southern Min
** (Hokkien: Xiamen)
*** Pe̍h-ōe-jī: su-to̍k
*** Tâi-lô: su-to̍k
*** Phofsit Daibuun: su'dok
*** IPA (Xiamen): /su⁴⁴⁻²² tɔk̚⁴/
* Middle Chinese: syo duwk
Rime :
| Character | 書 | 牘 |
| Reading # | 1/1 | 1/1 |
| Initial (聲) | 書 (26) | 定 (7) |
| Final (韻) | 魚 (22) | 屋 (3) |
| Tone (調) | Level (Ø) | Checked (Ø) |
| Openness (開合) | Open | Open |
| Division (等) | III | I |
| Fanqie | 傷魚切 | 徒谷切 |
| Baxter | syo | duwk |
| Reconstructions |||
| Zhengzhang Shangfang | /ɕɨʌ/ | /duk̚/ |
| Pan Wuyun | /ɕiɔ/ | /duk̚/ |
| Shao Rongfen | /ɕiɔ/ | /duk̚/ |
| Edwin Pulleyblank | /ɕɨə̆/ | /dəwk̚/ |
| Li Rong | /ɕiɔ/ | /duk̚/ |
| Wang Li | /ɕĭo/ | /duk̚/ |
| Bernard Karlgren | /ɕi̯wo/ | /dʱuk̚/ |
| Expected Mandarin Reflex | shū | dú |
| Expected Cantonese Reflex | syu$^1$ | duk$^6$ |

### Noun

書牘
* (literary) letter; written message; correspondence

#### Synonyms

* 信
* 信件 (xìnjiàn)
* 信函 (xìnhán)
* 信札 (xìnzhá)
* 八行 (bāháng) (literary)
* 八行書／八行书 (bāhángshū) (literary)
* 函件 (hánjiàn)
* 手書／手书 (shǒushū) (literary)
* 手簡／手简 (shǒujiǎn) (literary)
* 書／书 (shū) (literary, or in compounds)
* 書信／书信 (shūxìn) (formal)
* 書函／书函 (shūhán)
* 書札／书札 (shūzhá) (literary)
* 書簡／书简 (shūjiǎn) (literary)
* 筆札／笔札 (bǐzhá) (literary, figurative)
* 簡／简 (jiǎn) (literary, or in compounds)
* 鴻／鸿 (hóng) (literary, figurative)
| Variety | Location | Words |
| Classical Chinese | Classical Chinese | 書, 函, 書札, 書函, 便紙 Korea |
| Formal (Written Standard Chinese) | Formal (Written Standard Chinese) | 信, 函, 書信, 信件, 信函, 信札, 函件, 書函, 書簡, 書牘, 書札 |
| Northeastern Mandarin | Beijing | 信 |
| Northeastern Mandarin | Taiwan | 信 |
| Northeastern Mandarin | Malaysia | 信 |
| Northeastern Mandarin | Singapore | 信 |
| Jilu Mandarin | Jinan | 信 |
| Jiaoliao Mandarin | Yantai (Muping) | 信 |
| Central Plains Mandarin | Luoyang | 信 |
| Central Plains Mandarin | Wanrong | 信 |
| Central Plains Mandarin | Xi'an | 信 |
| Central Plains Mandarin | Xining | 信 |
| Central Plains Mandarin | Xuzhou | 信 |
| Lanyin Mandarin | Yinchuan | 信 |
| Lanyin Mandarin | Lanzhou | 信 |
| Lanyin Mandarin | Ürümqi | 信 |
| Southwestern Mandarin | Chengdu | 信 |
| Southwestern Mandarin | Wuhan | 信 |
| Southwestern Mandarin | Guiyang | 信 |
| Southwestern Mandarin | Guilin | 信 |
| Southwestern Mandarin | Liuzhou | 信 |
| Southwestern Mandarin | Dagudi (Maliba) | 信 |
| Southwestern Mandarin | Reshuitang (Longling) | 信 |
| Southwestern Mandarin | Mae Salong (Lancang) | 信 |
| Southwestern Mandarin | Mae Sai (Tengchong) | 信 |
| Jianghuai Mandarin | Nanjing | 信 |
| Jianghuai Mandarin | Yangzhou | 信 |
| Jianghuai Mandarin | Hefei | 信 |
| Cantonese | Guangzhou | 信 |
| Cantonese | Hong Kong | 信 |
| Cantonese | Hong Kong (San Tin Weitou) | 信 |
| Cantonese | Macau | 信 |
| Cantonese | Guangzhou (Panyu) | 信 |
| Cantonese | Guangzhou (Huashan, Huadu) | 信 |
| Cantonese | Guangzhou (Conghua) | 信 |
| Cantonese | Guangzhou (Zengcheng) | 信 |
| Cantonese | Foshan | 信 |
| Cantonese | Foshan (Shatou, Nanhai) | 信 |
| Cantonese | Foshan (Shunde) | 信 |
| Cantonese | Foshan (Sanshui) | 信 |
| Cantonese | Foshan (Mingcheng, Gaoming) | 信 |
| Cantonese | Zhongshan (Shiqi) | 信 |
| Cantonese | Zhuhai (Qianshan, Xiangzhou) | 信 |
| Cantonese | Zhuhai (Shangheng, Doumen; Tanka) | 信 |
| Cantonese | Zhuhai (Doumen) | 信 |
| Cantonese | Jiangmen (Baisha) | 信 |
| Cantonese | Jiangmen (Xinhui) | 信 |
| Cantonese | Taishan | 信 |
| Cantonese | Kaiping (Chikan) | 信 |
| Cantonese | Enping (Niujiang) | 信 |
| Cantonese | Heshan (Yayao) | 信 |
| Cantonese | Dongguan | 信 |
| Cantonese | Shenzhen (Shajing, Bao'an) | 信 |
| Cantonese | Shaoguan | 信 |
| Cantonese | Yunfu | 信 |
| Cantonese | Yangjiang | 信 |
| Cantonese | Xinyi | 信 |
| Cantonese | Lianjiang | 信 |
| Cantonese | Beihai | 信 |
| Cantonese | Beihai (Qiaogang - Cô Tô) | 信 |
| Cantonese | Beihai (Qiaogang - Cát Bà) | 信 |
| Cantonese | Fangchenggang (Fangcheng) | 信 |
| Cantonese | Singapore (Guangfu) | 信 |
| Cantonese | Ho Chi Minh City (Guangfu) | 信 |
| Cantonese | Móng Cái | 信 |
| Gan | Nanchang | 信 |
| Gan | Lichuan | 信 |
| Gan | Pingxiang | 信 |
| Hakka | Meixian | 信 |
| Hakka | Huizhou (Huicheng Bendihua) | 信 |
| Hakka | Dongguan (Qingxi) | 信 |
| Hakka | Shenzhen (Shatoujiao) | 信 |
| Hakka | Zhongshan (Nanlang Heshui) | 信 |
| Hakka | Wuhua (Shuizhai) | 信 |
| Hakka | Wuhua (Huacheng) | 信 |
| Hakka | Wuhua (Changbu) | 信 |
| Hakka | Wuhua (Mianyang) | 信 |
| Hakka | Guangzhou (Lütian, Conghua) | 信 |
| Hakka | Luhe | 信仔 |
| Hakka | Yudu | 信 |
| Hakka | Miaoli (N. Sixian) | 信仔 |
| Hakka | Pingtung (Neipu; S. Sixian) | 信仔 |
| Hakka | Hsinchu County (Zhudong; Hailu) | 信仔 |
| Hakka | Taichung (Dongshi; Dabu) | 信 |
| Hakka | Hsinchu County (Qionglin; Raoping) | 信仔, 信 |
| Hakka | Yunlin (Lunbei; Zhao'an) | 批, 信 |
| Hakka | Hong Kong | 信 |
| Huizhou | Jixi | 信 |
| Jin | Taiyuan | 信 |
| Jin | Xinzhou | 信 |
| Northern Min | Jian'ou | 信 |
| Northern Min | Songxi | 信 |
| Northern Min | Jianyang | 信 |
| Eastern Min | Fuzhou | 批 |
| Eastern Min | Gutian | 批 |
| Eastern Min | Pingnan | 批, 信 |
| Eastern Min | Ningde | 批 |
| Eastern Min | Zhouning | 批 |
| Eastern Min | Fuding | 信 |
| Eastern Min | Matsu | 批 |
| Eastern Min | Singapore (Fuqing) | 批 |
| Southern Min | Xiamen | 批, 批信 |
| Southern Min | Quanzhou | 批, 批信 |
| Southern Min | Yongchun | 批 |
| Southern Min | Zhangzhou | 批, 批信 |
| Southern Min | Zhao'an | 批 |
| Southern Min | Taipei | 批 |
| Southern Min | New Taipei (Sanxia) | 批 |
| Southern Min | Kaohsiung | 批 |
| Southern Min | Yilan | 批 |
| Southern Min | Changhua (Lukang) | 批 |
| Southern Min | Taichung | 批 |
| Southern Min | Taichung (Wuqi) | 批 |
| Southern Min | Tainan | 批, 批信 |
| Southern Min | Taitung | 批 |
| Southern Min | Hsinchu | 批 |
| Southern Min | Kinmen | 批 |
| Southern Min | Penghu (Magong) | 批 |
| Southern Min | Penang (Hokkien) | 批 |
| Southern Min | Singapore (Hokkien) | 批, 批信 |
| Southern Min | Manila (Hokkien) | 批 |
| Southern Min | Longyan | 信 |
| Southern Min | Datian | 信 |
| Southern Min | Chaozhou | 信, 批 international incoming letters |
| Southern Min | Bangkok (Teochew) | 信, 家批 dated |
| Southern Min | Singapore (Teochew) | 信, 批 |
| Southern Min | Batam (Teochew) | 信 |
| Southern Min | Leizhou | 信 |
| Southern Min | Wenchang | 信 domestic, 批 international |
| Southern Min | Haikou | 信 |
| Southern Min | Singapore (Hainanese) | 信, 批 |
| Puxian Min | Putian | 批 |
| Puxian Min | Xianyou | 批 |
| Puxian Min | Fuding (Aoyao) | 批 |
| Central Min | Yong'an | 信 |
| Central Min | Sanming (Shaxian) | 信 |
| Zhongshan Min | Zhongshan (Longdu, Shaxi) | 信 |
| Southern Pinghua | Nanning (Tingzi) | 信 |
| Wu | Shanghai | 信 |
| Wu | Shanghai (Chongming) | 信 |
| Wu | Suzhou | 信 |
| Wu | Danyang | 信 |
| Wu | Ningbo | 信 |
| Wu | Wenzhou | 信 |
| Wu | Jinhua | 信 |
| Xiang | Changsha | 信 |
| Xiang | Loudi | 信 |
| Xiang | Shuangfeng | 信 |